The leader of Canada’s most populous province says Ontario won't do business with those who risk damaging Canada's economy.

Canada may have worked out a 30-day trade war truce with the U.S., but agribusiness operators in southwestern Ontario say dealing with the threat of tariffs has been an expensive distraction.

Premier Doug Ford says Ontario will pause all retaliatory measures against the United States, with news that the threat of tariffs has been put on hold for a month.