AFL star Patrick Dangerfield enlists some high profile help for a social media post announcing his impending fatherhood.

Canada's third seed Milos Raonic's tilt at the Australian Open title remains on track after a fourth-round win over Spain's Roberto Bautista Agut.

A truck driver had "considerable difficulty" braking about 5 kilometres before failing to stop at red lights and killing an off-duty policewoman on a motorcycle in Melbourne's east, a court hears.

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Victorian Premier Daniel Andrews has announced a "full examination" of the bail system in the state, to be conducted by former Supreme Court judge Paul Coghlan.

The man accused of killing five people and injuring dozens of pedestrians during a rampage through Melbourne's CBD is charged with five counts of murder.

The bail justice system is unique to Victoria, but following Melbourne's Bourke Street tragedy, it's facing a shake-up.

Not at her very best, Serena Williams finds a way to progress to the Australian Open quarter-finals with a 7-5, 6-4 win over Barbora Strycova.

A $1 million reward is being offered to help solve the suspicious disappearance of Bendigo teenagers Maureen Braddy and Allan Whyte almost 50 years ago, with police saying they believe someone in the community holds the key to cracking the cold case.

Capital raising success has French company Ynsect well placed to succeed in replacing fish, poultry and pig feed with insect meal.

The Victorian Government will establish a night court for magistrates to hear after-hours bail requests, as part of a big shake-up of the system following Melbourne's Bourke Street tragedy.

Can Roger Federer defy age and the naysayers to reclaim greatness at the Australian Open? The men's tournament is as wide open as ever after two high-profile exits.

After carnage on day seven, what does day eight at the Australian Open have in store? Serena Williams, Daria Gavrilova and Rafael Nadal are among the stars in action.

World number one and defending Australian Open champion Angelique Kerber is bundled out of the tournament by unseeded American Coco Vandeweghe.

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.

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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.

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.