Ontario Premier Doug Ford speaks to the media outside of his office in the Queens Park Legislature, in Toronto, on Wednesday  December 11, 2024. Ford joined a call between Provincial Premiers and Prime Minister Justin Trudeau in regard to incoming US President Donald Trump's threats of tariffs.

The premier of Canada's most populous province said Tuesday president-elect Donald Trump's plan to impose sweeping 25 per cent tariffs on all Canadian products would be a "disaster" that would hurt U.S. stock markets.