President Donald Trump announced he's adding an extra 10% tariff on Canadian imports over a negative TV advertisement featuring a speech by President Ronald Reagan.

Ontario Premier Doug Ford said he will pause the ad on Monday "so that trade talks can resume."

Trump's announcement came after the Canadian province began running a TV ad that features a speech by Ronald Reagan.

Donald Trump has issued a warning to Canada after he condemned an ad by the Ontario government that used former president Ronald Reagan’s voice to criticize tariffs.

President Donald Trump’s barrage of tariffs has quickly strained the United States’ longstanding relationship with Canada over the last year.

Watch the United States and Canada's National Anthems ahead of Game 1 of the World Series between the Los Angeles Dodgers and Toronto Blue Jays.

"Is the new 10% tariff on imports from Canada related to the fentanyl emergency or the reciprocal trade emergency or are hurt feelings also now a national emergency?"

Air Canada also failed you. The Montreal Convention requires airlines to honor valid tickets and boarding passes. If there was a ticketing error, it should have worked with Lufthansa to resolve it immediately, not abandon you at the gate. Both airlines’ “not our problem” responses are unacceptable.