Trudeau announced his resignation after facing an increasing loss of support from both within his party and in the country.

Justin Trudeau has announced he will step down after nine years as Canadian prime minister in the face of a mounting set of crises, but stay in office until a replacement party leader is chosen.

Canadian cabinet ministers will discuss on Friday how they could retaliate if the new U.S. administration imposes tariffs on imports from Canada, Foreign Minister Melanie Joly said. Canada's Liberal government has repeatedly made clear it will strike back if President-elect Donald Trump goes ahead with a threat to slap 25% tariffs on all imports from Canada unless Ottawa does more to boost border security.