(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).

Wall Street seems to be heading for a red day, with stock index futures down on Friday, as President Donald Trump slapped a 35% tariff on Canada and warned of further hikes if Ottawa retaliated. S&P 500 futures (SPX) -0.

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