Alexander Darling

A leadership showdown between Jacinta Allan and Ben Carroll is set to play out at a Labor caucus meeting scheduled for 10am today. Follow for updates.

In a dramatic day at state parliament, Jacinta Allan announced her resignation and chaired a tense caucus room meeting in which Ben Carroll ultimately emerged as the new leader. Follow for updates.

It's been a morning for snuggling under the doona across Victoria, with some parts of Melbourne recording their coldest days of the year.

It was a frosty start to the first day of the last month of winter in Melbourne. Parts of regional Victoria dipped below zero degrees.

A further 20 cases of H5N1 bird flu have been recorded nationwide, and several more are likely to be confirmed soon, in signs the deadly virus has taken root in Australia.

There are now 53 confirmed detections of bird flu in Australia, according to the Department of Agriculture.

There are now 53 confirmed detections of bird flu in Australia, according to the Department of Agriculture.

Police in riot gear were on hand in Hawthorn East as a large crowd chanting and holding signs demonstrated against One Nation.

Police are urging a woman to hand herself in after she ran over a man who was trying to stop her from stealing his car in Heidelberg West.