Populist Conservative leader Pierre Poilievre — in the lead until U.S. President Donald Trump took aim at Canada with a trade war and annexation threats — was voted out of his Parliament seat in Monday's election.

Pierre Poilievre, the leader of the Conservative Party, was unseated as the parliamentary representative of his Ottawa district in a stunning upset that could put his leadership of the party in question.

Canada's main opposition leader Pierre Poilievre lost his seat in Monday's general election, results from Elections Canada showed, as the Conservatives were beaten by the incumbent Liberal Party.