"Canada has been ripping off the United States of America for years," the president wrote in a post on his Truth Social account.

Canadian Prime Minister Mark Carney vows to retaliate, says his country recognized that 'America has changed' and that the two countries would 'not return to our old relationship'

The United States President, Donald Trump, has announced plans to increase tariffs on vehicles, automotive parts and steel imported from Canada to 50 per cent, accusing the…