Canadian officials and business leaders seemed relieved earlier Monday when it became clear the Trump administration wasn't going to impose 25% tariffs on Canadian goods on day 1 of its term, but anxiety returned after President Trump said from the Oval Office that the U.

Canada is drawing up plans for extensive tariffs against US products if Donald Trump follows through on his threat to put 25% levies on Canadian goods, according to people familiar with the matter.

The president-elect’s vow to impose 25 percent duties on Canadian imports could ravage Canada’s auto industry and decimate Windsor, a city deeply tied to the U.S.