The measures come after President Trump imposed 50% tariffs on many Canadian goods and threatened more after trade talks broke down on Friday.

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'

“Canada will match those tariffs dollar for dollar to protect our workers and businesses,” Prime Minister Mark Carney said in a statement.

Canada would match US tariffs "dollar for dollar", says Prime Minister Mark Carney.