Drug policy researcher Jonathan Caulkins said there were 21 large fentanyl seizures at the Mexican border for every one along the Canadian border.

Efforts to break up crime syndicates precede threats from the U.S. president, investigators taking down drug labs in Western Canada say.

The leaders of Mexico and Canada have been willing to appease U.S. President Donald Trump to avoid tariffs on their products.

When asked if he really thought Donald Trump's tariff threat was about fentanyl, NDP Leader Jagmeet Singh accused the U.S. president of trying to put economic pressure on Canada to weaken the country as a whole.

In a press conference in Montreal on Thursday, Jagmeet Singh discussed his plans for responding to the U.S. tariff threat. Donald Trump has said he wants to make Canada the 51st state and Singh claimed the U.