Australia's two-year winning streak against New Zealand comes to an end, with the Silver Ferns comfortably defeating the Diamonds 55-44 in the third Constellation Cup Test.

The Federal Government will increase funding to youth mental health service provider Headspace by about 50 per cent next financial year, which Prime Minister Scott Morrison says will make a big difference in young people's lives.

NSW Nationals MP Troy Grant has hit out at alt-right nationalists after an ABC Background Briefing investigation revealed an infiltration of the party by self-described fascists.

Hawthorn midfielder Tom Mitchell wins the 2018 Brownlow Medal, edging out surprise contender Steele Sidebottom of Collingwood.

The sacking of the ABC managing director Michelle Guthrie has brought her often challenging, sometimes tumultuous, two-year tenure at the top of the national broadcaster to an end.