Prime Minister Justin Trudeau’s hold on power was threatened on Monday after the deputy prime minister who led Canada’s response to the first Trump administration resigned abruptly, in a stinging rebuke to the country’s leader.

Prime Minister Justin Trudeau faced frustrated MPs at a hastily arranged caucus meeting late Monday following Chrystia Freeland's shocking decision to resign from cabinet just before she was poised to deliver the government's much-anticipated fall economic statement.

OTTAWA—Canada’s Finance Minister Chrystia Freeland quit the Liberal government cabinet Monday, a surprise departure that casts further doubts about how long Prime Minister Justin Trudeau can hold on to his job given the government’s deep unpopularity.