Former central banker Mark Carney is due to formally kick off his bid to replace Justin Trudeau as the head of Canada’s Liberal Party and the country’s prime minister on Thursday, with the leader of the opposition already attacking his record.

Liberal MPs are starting to reveal which candidates they're backing in the race to replace Justin Trudeau, just as the presumed front-runners get ready to declare they're running.

Former Bank of Canada governor Mark Carney is set to announce his candidacy for leadership of the federal Liberal Party at a media event early Thursday afternoon in Edmonton, according to a media notice.