Foreign-born US citizens face being unable to fly home for 90 days, and refugees due to begin a new life in America are in limbo.
Thousands vent their anger at airports across US, as President Trump bans citizens of seven mainly Muslim countries.
The Prime Minister had faced a backlash after refusing to condemn the President's immigration clampdown.
The Russian leader and US President speak over the phone for the first time, agreeing to work closely together and improve ties.