Votes are being counted in a Canadian election that will choose a leader to confront the US president's trade war and annexation threats, which Donald Trump renewed in an election day message.

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.