Unclear if court will publish much-anticipated ruling on the legality of Trump’s tariffs as US president doubles down on Greenland threats

A top NATO official is now warning that World War Three could come soon but the UK's defence budget has a £28 billion black hole

Welcome to The Australian’s live coverage of the day in politics. Follow for live updates from Canberra and around the country.

Parliament returns to consider legislation on stricter gun controls and hate speech in the wake of the Bondi terror attack. Follow live.

Reform UK 's press conference unveiling Robert Jenrick's defection was thrown into chaos when he did not arrive immediately. Nigel Farage announced that the former Tory was joining his ranks and welcomed him to the stage at the presser this afternoon. But it was several minutes before the ex-shadow justice secretary appeared amid confusion.

The leaders of all 27 European Union nations will meet for an "extraordinary meeting" later this week, European Council President Antonio Costa said on Sunday, in response to U.S. President Donald Trump's escalating pressure campaign to acquire Greenland.