Victoria

Roger Federer winds back the years to progress to the Australian Open quarter-finals after a hard-fought but imperious five-set win over Kei Nishikori.

The names of two more of the five people killed in the car attack in Melbourne's CBD on Friday are released, with their families describing them as a young woman of "extravagant humour" and a devoted, loving husband and father.

The Australian Open sees another sensational shock result with world number one Andy Murray dumped out of the year's first major in the fourth round by Germany's Mischa Zverev.

Victorian Premier Daniel Andrews will not be drawn on a likely overhaul of the bail system following a special meeting of the Government's emergency and security subcommittee today, in response to Friday's Bourke Street tragedy.

Venus Williams notches yet another career milestone, charging into her ninth Australian Open quarter-final at Melbourne Park.

Daniel Andrews says it is his job to address the "anger and frustration" Victorians feel in the wake of the Melbourne car attack on Friday, but refuses to be drawn on how bail laws might be reformed.

It's a big day in the men's draw, with Andy Murray, Roger Federer and Stan Wawrinka in action, while Angelique Kerber takes on Coco Wanderweghe on the women's side.

Daria Gavrilova can pinpoint the moment where she saved her Australian Open campaign.

Daria Gavrilova wins a three-set marathon against Switzerland's Timea Bacsinszky to advance to the fourth round of the Australian Open for the second-straight year.

A baby boy becomes the fifth person to die following a deadly car rampage in Melbourne's CBD on Friday, with four victims remaining in critical condition.

The Sydney Sixers claim a last-gasp semi-final berth, defeating the Melbourne Stars by three wickets in the last match of the BBL regular season.

Rafael Nadal is through to the fourth round of the Australian Open but he did it tough, out-lasting German teen Alexander Zverev in five sets.

Victoria Police members say the contentious no-pursuit policy is leaving police hamstrung, and needs a complete overhaul after the deaths of five people in a car rampage in Melbourne's CBD.

The friend of the man accused of committing Friday's deadly rampage through Melbourne's CBD claims he told her he would run over pedestrians if police did not stop pursuing him.

Victoria's chief of police defends the force's handling of a car pursuit which ended with a man driving into a Melbourne mall yesterday, killing four people and injuring 30 others.

Serena Williams sees off fellow American Nicole Gibbs in straight sets to book her spot in the Australian Open fourth round.

Ashleigh Barty wants the media to move beyond talk of comebacks, as the former code-swapper reflects on a solid Australian Open run.

Former world number ones, Serena Williams and Rafael Nadal, French entertainer Gael Monfils and local hope Daria Gavrilova are among the highlights on day six at the Australian Open.

Flowers and messages of hope and condolences are being left in tribute to those killed and injured in a terrifying car rampage through the streets of Melbourne yesterday, as five people, including a baby, fight for their lives.

A rampaging Roger Federer delivers a stunning reminder of his class at the Australian Open with a crushing win over Tomas Berdych.

The Heat needed 18 off the last six balls to beat the Renegades but lost in a final over that featured two sixes, three wickets and four wides.

Bernard Tomic and Ash Barty are knocked out of the Australian Open in quick succession, leaving just one local hope in the singles draw.

Witnesses say there was "no hesitation" as a car drove into pedestrians in Melbourne's CBD, sending "people flying like skittles" and running for their lives in what police believe was a deliberate act.

Eyewitness and CCTV footage show the minutes leading up to and during the horrific incident in which a driver veered his car into pedestrians.