The president revived his discredited claims about fentanyl entering the U.S. from Canada to justify his latest proposed rate of 35 percent.

(Reuters) -Futures linked to Toronto's main stock index fell on Friday as U.S. President Donald Trump ramped up his tariff assault on Canada. Futures on the S&P/TSX index fell 0.6% by 06:05 a.m. ET (1005 GMT).

Canada is facing a 35% tariff on imports to the U.S. starting Aug. 1, said President Trump, though some of the country’s goods may still be exempt.