Canada's ruling Liberal Party lost a once-safe seat in a Montreal parliamentary constituency, preliminary results showed on Tuesday, a result likely to put more pressure on Prime Minister Justin Trudeau to quit.

Canadian Prime Minister Justin Trudeau says he’s focused on the work ahead after the ruling Liberals lost in another by-election, raising more questions about his ability to lead the party into the next federal election.

The loss, coupled with a recent Toronto defeat, signals waning support for Trudeau, who faces a challenging re-election campaign.

Justin Trudeau’s Liberal party. On September 16th the prime minister’s party lost a by-election in his hometown of Montreal, an area that it had represented almost uninterruptedly since the second world war.

Prime Minister Justin Trudeau remained defiant after his Liberal Party lost a key seat in Montreal, urging voters to take a harder look at the political options they’ll face in the next election.

Ottawa bureau chief Stuart Thomson talks to Quebec correspondent Antoine Trépanier about the humbling Liberal defeat in a Montreal byelection on Monday. Bloc Québécois candidate Louis-Philippe Sauvé won the byelection in LaSalle—Émard—Verdun by more than 200 votes over the Liberals’ Laura Palestini.