After a year of plummeting poll numbers for Canada’s ruling Liberal Party, a shock defeat in a Toronto by-election marked a turning point. The loss in a Liberal stronghold is widely seen as setting off the chain of events leading to Justin Trudeau’s resignation and Monday’s federal election.

Voting begins at polls in Toronto Watch live from Toronto as Canadians vote to either extend the Liberal Party's decade in power or hand control to the Conservatives. They'll pick either Prime Minister Mark Carney or opposition leader Pierre Poilievre to lead the way forward,

The Conservative Party was once considered the heavy favorite in Canada’s election. But President Trump’s trade war has upended the campaign, with the Liberal Party surging.