Trump's remarks come after Canadian PM Mark Carney stated that Ottawa will respond with a "dollar for dollar" move to match the 50 per cent tariff. | World News

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'

Canadian prime minister says country will match tariffs 'dollar for dollar' after failure to secure US trade agreement.