WorldU.S. President ‌Donald ​Trump on Friday ​vowed to impose tariffs ​on Canada in ‌retaliation for smoke from wildfires that ‌has drifted ​into the United States.'We're going to put a big tariff on Canada because of the smoke,' Trump tells reportersThomson Reuters · Posted: Jul 24, 2026 3:55 PM EDT | Last Updated: 27 minutes agoListen to this articleEstimated 1 minuteThe audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results.U.S. President Donald Trump is seen in the Oval Office at the White House, in Washington, D.C., on Friday. (Eric Lee/Getty Images)U.S. President ‌Donald ​Trump on Friday ​vowed to impose tariffs ​on Canada in ‌retaliation for smoke from wildfires that ‌has drifted ​into the United States."We're going to put a big tariff on Canada because of the smoke," Trump told reporters, when speaking in the Oval Office at the White House on Friday afternoon.He did not provide details on what that would involve.The U.S. president had previously threatened to increase tariffs on Canada for smoke emanating from wildfires on this side of the border. In the Oval Office, Trump also said he had "told Canada they have to do something about it."Earlier this week, Trump separately threatened to impose 50 per cent tariffs on billions of dollars' worth of Canadian goods effective Aug. 19.Prime Minister Mark Carney has said Ottawa will consider retaliatory measures if the federal government is unable to reach a deal with the Americans before Trump's threatened tariffs come into effect.With files from CBC News