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A young woman's eyes are washed out with milk after she is sprayed with pepper spray by police. Protesters and police clashed at the school as Milo Yiannopoulos spoke inside. One man in the crowd was shot as supporters and opponents of the Breitbart.com editor waited to see if they would be able to attend his talk there.

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A young woman's eyes are washed out with milk after she is sprayed with pepper spray by police. Protesters and police clashed at the school as Milo Yiannopoulos spoke inside. One man in the crowd was shot as

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Photo: GENNA MARTIN, SEATTLEPI.COM
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A hopeful attendee of Milo Yiannopoulos' speech flips off protesters outside Kane Hall at the University of Washington in Seattle, Jan. 20, 2017.

A hopeful attendee of Milo Yiannopoulos' speech flips off protesters outside Kane Hall at the University of Washington in Seattle, Jan. 20, 2017.

Photo: GRANT HINDSLEY
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Police tend to a protester who was shot during a confrontation with hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Police tend to a protester who was shot during a confrontation with hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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People photograph blood on the ground as a man is taken away by police following an injury during clashes between groups at Red Square on the University of Washington campus.

People photograph blood on the ground as a man is taken away by police following an injury during clashes between groups at Red Square on the University of Washington campus.

Photo: GRANT HINDSLEY
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A heavy police presence was visible outside Kane Hall on Friday, Jan. 20, 2017 as people protested Breitbart.com editor Milo Yiannopoulos who was speaking inside.
A heavy police presence was visible outside Kane Hall on Friday, Jan. 20, 2017 as people protested Breitbart.com editor Milo Yiannopoulos who was speaking inside.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Messages are projected on the side of Kane Hall over the heads of protesters and police after President Donald Trump's inauguration on Friday, Jan. 20, 2017.
Messages are projected on the side of Kane Hall over the heads of protesters and police after President Donald Trump's inauguration on Friday, Jan. 20, 2017.
Photo: GENNA MARTIN, SEATTLEPI.COM
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A Trump supporter shows off his shirt to protesters outside Kane Hall at the University of Washington in Seattle, Jan. 20, 2017.
A Trump supporter shows off his shirt to protesters outside Kane Hall at the University of Washington in Seattle, Jan. 20, 2017.
Photo: GENNA MARTIN, SEATTLEPI.COM
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James Penna, a PhD student at the University of Washington and an ardent Trump supporter (right), argues with a protester outside Kane Hall, where Penna was impeded from attending a speech by Brietbart.com editor Milo Yiannopolous, Jan. 20, 2017. One man in the crowd was shot as protesters clashed. less
James Penna, a PhD student at the University of Washington and an ardent Trump supporter (right), argues with a protester outside Kane Hall, where Penna was impeded from attending a speech by Brietbart.com ... more
Photo: GENNA MARTIN, SEATTLEPI.COM
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An anti-Trump protester is hit with pepper-spray by another person in the crowd.

An anti-Trump protester is hit with pepper-spray by another person in the crowd.

Photo: GRANT HINDSLEY
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A group of Trump supporters waits in hopes of seeing controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
A group of Trump supporters waits in hopes of seeing controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A man in a large Donald Trump mask jokes with King County sheriffs deputies as protesters march in response to President Donald Trump's inauguration on Friday, Jan. 20, 2017.
A man in a large Donald Trump mask jokes with King County sheriffs deputies as protesters march in response to President Donald Trump's inauguration on Friday, Jan. 20, 2017.
Photo: GENNA MARTIN, SEATTLEPI.COM
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People protest and block the entrance to controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
People protest and block the entrance to controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos' speech wipes blood from his nose after a tangle with protesters at University of Washington on Friday, Jan. 20, 2016
A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos' speech wipes blood from his nose after a tangle with protesters at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters form a wall outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Protesters form a wall outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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People stand between protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
People stand between protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A man in a large Donald Trump mask marches with other protesters in response to President Donald Trump's inauguration on Friday, Jan. 20, 2017.
A man in a large Donald Trump mask marches with other protesters in response to President Donald Trump's inauguration on Friday, Jan. 20, 2017.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Protesters cheer as other marchers join forces outside controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters cheer as other marchers join forces outside controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A protester takes paint from a paint-filled balloon and writes a message outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
A protester takes paint from a paint-filled balloon and writes a message outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Police stand guard as protesters and fans of Milo Yiannopoulos clash outside of Kane Hall at University of Washington on Friday, Jan. 20, 2016
Police stand guard as protesters and fans of Milo Yiannopoulos clash outside of Kane Hall at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos' speech is hassled by protesters as he he tries to force his way to the entrance at Kane Hall, at University of Washington on Friday, Jan. 20, 2016 less
A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos' speech is hassled by protesters as he he tries to force his way to the entrance at Kane Hall, at University of Washington on Friday, ... more
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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People chant as they hope to get in to see controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
People chant as they hope to get in to see controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and people trying to attend a speech by Breitbart.com editor Milo Yiannopoulos clashed at University of Washington in Seattle on Friday, Jan. 20, 2017 as he spoke inside Kane Hall.
Protesters and people trying to attend a speech by Breitbart.com editor Milo Yiannopoulos clashed at University of Washington in Seattle on Friday, Jan. 20, 2017 as he spoke inside Kane Hall.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Police clear an area for a cart to escort the victim of a shooting out of the protest outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Police clear an area for a cart to escort the victim of a shooting out of the protest outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A protester sits in front of the police line as the confrontation dies down following a speech by controversial Breitbart.com editor Milo Yiannopoulos' at University of Washington on Friday, Jan. 20, 2016
A protester sits in front of the police line as the confrontation dies down following a speech by controversial Breitbart.com editor Milo Yiannopoulos' at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Police form a line outside Kane Hall at University of Washington before Milo Yiannopoulos' speech on Friday, Jan. 20, 2016
Police form a line outside Kane Hall at University of Washington before Milo Yiannopoulos' speech on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue, at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue, at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A Trump supporter waits in hopes of seeing controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
A Trump supporter waits in hopes of seeing controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos walks in front of the police line at University of Washington on Friday, Jan. 20, 2016
A hopeful attendee of controversial Breitbart.com editor Milo Yiannopoulos walks in front of the police line at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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People chant as they hope to get in to see controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
People chant as they hope to get in to see controversial Breitbart.com editor Milo Yiannopoulos at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and police clashed at University of Washington in Seattle on Friday, Jan. 20, 2017 as Breitbart.com editor Milo Yiannopoulos spoke inside Kane Hall.
Protesters and police clashed at University of Washington in Seattle on Friday, Jan. 20, 2017 as Breitbart.com editor Milo Yiannopoulos spoke inside Kane Hall.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue, at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech argue, at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Bicycle cops ride alongside protesters up Broadway on Friday, Jan. 20, 2017.
Bicycle cops ride alongside protesters up Broadway on Friday, Jan. 20, 2017.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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A protester wears his feelings for President Trump on his shirt outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
A protester wears his feelings for President Trump on his shirt outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters form a wall outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Protesters form a wall outside controversial Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Protesters and hopeful attendees of controversial Breitbart.com editor Milo Yiannopoulos' speech clash at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Protesters gather at the University of Washington in Seattle on Friday, Jan. 20, 2017 as Breitbart.com editor Milo Yiannopoulos spoke inside Kane Hall.
Protesters gather at the University of Washington in Seattle on Friday, Jan. 20, 2017 as Breitbart.com editor Milo Yiannopoulos spoke inside Kane Hall.
Photo: GENNA MARTIN, SEATTLEPI.COM
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Blue paint is seen on the ground of Red Square after balloons filled with it were thrown as protesters and police clashed at University of Washington in Seattle on Friday, Jan. 20, 2017. Breitbart.com editor Milo Yiannopoulos was speaking inside Kane Hall. less
Blue paint is seen on the ground of Red Square after balloons filled with it were thrown as protesters and police clashed at University of Washington in Seattle on Friday, Jan. 20, 2017. Breitbart.com editor ... more
Photo: GENNA MARTIN, SEATTLEPI.COM
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Police clear an area for a cart to escort the victim of a shooting out of the protest outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Police clear an area for a cart to escort the victim of a shooting out of the protest outside Breitbart.com editor Milo Yiannopoulos' speech at University of Washington on Friday, Jan. 20, 2016
Photo: GRANT HINDSLEY, SEATTLEPI.COM
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Two women watch protesters from a car as a protest march against President Donald Trump overtakes them in traffic, Friday, Jan. 20, 2017, in downtown Seattle. (AP Photo/Ted S. Warren)
Two women watch protesters from a car as a protest march against President Donald Trump overtakes them in traffic, Friday, Jan. 20, 2017, in downtown Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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Law enforcement officers guard a freeway ramp during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Law enforcement officers guard a freeway ramp during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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Protesters hold signs during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Protesters hold signs during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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Law enforcement officers block a crosswalk during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Law enforcement officers block a crosswalk during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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Law enforcement officers guard a side street during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Law enforcement officers guard a side street during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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A Seattle Police officer on a bicycle eyes protesters taking part in a protest against President Donald Trump as he rides through construction walkway, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren) less
A Seattle Police officer on a bicycle eyes protesters taking part in a protest against President Donald Trump as he rides through construction walkway, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. ... more
Photo: Ted S. Warren, Associated Press
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Protesters march near Pike Place Market during a march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Protesters march near Pike Place Market during a march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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A Washington State Patrol trooper holds a crowd-control weapon as he prevents protesters from going down a side street during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren) less
A Washington State Patrol trooper holds a crowd-control weapon as he prevents protesters from going down a side street during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. ... more
Photo: Ted S. Warren, Associated Press
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Hundreds of protesters sit down in the street at the intersection of Pike Street and Broadway during a protest against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Hundreds of protesters sit down in the street at the intersection of Pike Street and Broadway during a protest against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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Protesters taking part in a demostration against President Donald Trump wear Guy Fawkes masks, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Protesters taking part in a demostration against President Donald Trump wear Guy Fawkes masks, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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A Washington State Patrol trooper stands watch near a restaurant during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
A Washington State Patrol trooper stands watch near a restaurant during a protest march against President Donald Trump, Friday, Jan. 20, 2017, in Seattle. (AP Photo/Ted S. Warren)
Photo: Ted S. Warren, Associated Press
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(Editors note: This article has been updated in response to communications from Milo Yiannopoulos's representatives.)

A planned speech by controversial Breitbart.com editor Milo Yiannopoulos was delayed Friday evening before a man in the crowd outside the University of Washington venue was shot in the abdomen.

Two people who turned themselves in to UW police following the shooting were released Saturday.

"Following investigation of the details surrounding the incident, and in consultation with the prosecuting attorney’s office, the suspects were released pending further investigation," a UW Police Department spokesperson said in a statement. "No suspects remain outstanding."

The investigation is expected to continue in coming days.

Harborview Medical Center spokeswoman Susan Gregg said Saturday morning that the 34-year-old victim remained in critical condition in the Seattle hospital's intensive care unit.

After the shooting, the university urged people to avoid that area of campus near Red Square, which had seen a large police presence much of the night. By 11 p.m., all but a few stragglers had left the large plaza.

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The shooting and accompanying violence outside the Yiannopoulos event marred what had been a long day of largely peaceful protest in the streets of Seattle.

Seattle Police Chief Kathleen O'Toole told a late-night press conference that there had been "no arrests, no serious injuries, very little use of force by police and several successful demonstrations of free speech" before the UW incident.

"Seattle has a long, proud tradition of speaking up and speaking out, but we will not tolerate violence of any kind, against any person," Mayor Ed Murray said in a written statement Friday night. "Thousands of Seattleites, including myself, will speak up and march peacefully throughout this weekend."

The shooting came almost an hour after officials stopped allowing entry to people with tickets for the Kane Hall lecture by Yiannopoulos, a public figure beloved by the "alt-right" and white nationalist movement, who has been banned from Twitter for harassment. The event had been oversold, as Yiannopoulos's supporters and detractors scrambled to pack the speech. 

Jenny Kefauver, a representative for Yiannopoulos at CapitalHQ, reached out to seattlepi.com on Saturday, stating that "Milo has always denounced the alt-right."

While Yiannopoulos has publicly denounced parts of the "alt-right" — a white nationalist movement — he is also often credited with promoting the movement's agenda in his controversial writings and speaking tours.

Hundreds of ticket holders were lined up for hours before the scheduled start of the event, which was coordinated by the UW College Republicans. As more self-described pro-peace and anti-fascist protesters flooded Red Square over time, occasional clashes broke out among the different camps.

Outside the event, UW graduate student and Trump supporter James Penna said he had hoped to get in to see Yiannopoulos. Penna, 24, said he isn't a fan but looked forward to confronting the provocateur. 

"I was denied something I was looking forward to," Penna said. 

"I don't like Milo," he continued, "but I wanted to interrogate him."

Yiannopoulos eventually put on his presentation, finishing up around 9:15 p.m., but the half-full crowd that watched him was asked to remain inside while the protesters outside were given a chance to disperse.

The crowd outside was dotted with a mix of red "Make America Great Again" caps and black-hooded, masked individuals affiliated with the "anti-fascist" detractors of Trump and Yiannopoulos.

Those gathered in Red Square represented a juxtaposition of ideologies, alternately chanting "USA" and "No Trump, no KKK, no fascist USA." Signs read, "Celebrate patriarchy" and "Smash gay nationalism - queers fight back." At one point, opposing camps chanted a call and response of "Black lives matter" and "Blue lives matter." Each side called the other fascists.

The ticket-holding crowd appeared mostly male and occasionally traded barbs with protesters, saying things like "Get a job" and "Get back in the kitchen." Detractors were mostly peaceful, but Seattle police tweeted that several objects, from paint-filled balloons to bricks, were being thrown into the crowd and at officers.

UW campus police were being assisted by Seattle cops at the event.

Fans of Yiannopoulos said they liked him not necessarily for any policy ideas, but because of his brash and offensive statements and his role as an entertainer.

UW freshman Christopher Newell, wearing a Make America Great Again cap, said he liked his anti-political correctness stance and called him a "provocateur."

Newell said that political debate and the exchange of ideas are repressed on college campuses.

"Hate speech is just a silly myth," he said of Yiannopoulos's offensive statements. "Even if a view is hateful, it should still be allowed."

Senior Truman Plaisted agreed.

"I like that he's offensive for the sake of being offensive," Plaisted said, also wearing a Make America Great Again cap, as well as a "Token's Lives Matter" T-shirt. Plaisted does not particularly like Trump but is a fan of Yiannopoulos.

He said he liked that Yiannopoulos was less about politics and more about outrageous style.

"He's hilarious," he said.

His friend, junior student Will Shanahan, said Yiannopoulos is an entertainer and intentionally angers people to get attention.

"He's more of a populist than anything," Shanahan said. "He's not a true conservative."

His role of entertainer is what irks Chris Vance, opponent to U.S. Sen. Patty Murray (D-Wash.) in 2016 and former chairman of the Washington State Republican Party.

""The Republican Party is not a protest movement," Vance said in a phone conversation with seattlepi.com Thursday evening. "It shouldn't be about being outrageous and insulting and pulling stunts.

"This guy is profane and disrespectful and outrageous," he added of Yiannopoulos. "It's all a show."

Anti-Trump and anti-Yiannopoulos protesters gradually streamed into Red Square and managed to link arms to block off ticket holders' entry into the event after only a few dozen were admitted. From there, after police blocked off entry entirely, a tense standoff ensued, at times peaceful but with a few physical scuffles breaking out at the gate.

Competing chants erupted of "Shut it down" and "Let us in."

The socialist-backed march that traveled from Westlake Center via Capitol Hill joined the UW gathering about 8:25 p.m., not long before the shooting occurred. Police allowed the crowd to remain after the shooting, even as the shooter remained at large. Ultimately, protesters outnumbered pro-Yiannopoulus attendees as they scattered over time.

Yiannopoulos' planned joint appearance with notorious pharmaceutical investor Martin Shkreli was cancelled last week at the University of California at Davis after protesters prevented it.

Bad weather prompted the cancellation of another Yiannopoulos speech at Washington State University, scheduled for Thursday night.

Seattlepi.com's Genna Martin and Levi Pulkkinen contributed reporting to this story, which includes information from The Associated Press.