The leader of Canada’s most populous province is bragging about the impact of his anti-tariff ad that prompted U.S.

President Trump said he's ending trade talks with Canada over an anti-tariff ad campaign by the province of Ontario that uses ...

Ontario, Canada will keep airing an ad critical of tariffs through the weekend ‒ and then pause it ‒ following President Trump's objections.

Ontario Premier Doug Ford says he’s pulling the TV ad that caused President Donald Trump to say he was ending trade ...

Canadian Prime Minister Mark Carney slammed Trump's 'emotional' response after the U.S. president raised tariffs on Canadian ...