President Donald Trump said he would follow through on his threat to impose 25% tariffs on imports from Canada and Mexico on Feb. 1, citing the flow of fentanyl and large trade deficits as among the reasons for his decision.

Trump said his decision will be based on whether the price of oil charged by the two trading partners is fair, although the basis of his threatened tariffs pertains to stopping illegal immigration

TORONTO — Roughly $900 billion in annual trade between Canada and the United States — and with it, traditionally chummy bilateral ties — is on the brink of upheaval, with President Donald Trump threatening to impose sweeping tariffs on Canada as early as this weekend.