Australia news live: Victoria apologises to First Nations people; political and media heavyweights gather for Graham Richardson’s funeral

One Nation has achieved its highest-ever primary vote of 17% in the latest Guardian Essential Poll, following significant media attention surrounding Pauline Hanson’s controversial burqa stunt and Barnaby Joyce's defection from the Nationals to One Nation. This marks a notable shift in voter sentiment towards minor parties amid ongoing concerns about housing affordability and the cost of living.

New South Wales senator Maria Kovacic has warned that the Liberal Party must avoid becoming a diluted version of One Nation, especially following Barnaby Joyce's recent defection to the far-right party, which poses a significant challenge to the Liberals' hold on their Senate seats.

Barnaby Joyce has officially joined Pauline Hanson’s One Nation party, marking his defection from the Nationals, a move that has been anticipated for some time. This transition was confirmed by both Joyce and Hanson, indicating a significant shift in Joyce's political alignment and future ambitions, including a potential Senate ticket.

Prime Minister Mark Carney is considering lifting a 53-year-old tanker ban to facilitate a new oil pipeline project from Alberta to British Columbia, which has raised significant concerns among First Nations communities about potential environmental risks and the possibility of a catastrophic spill.