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

Canada will rescind a tax on big US technology firms, just hours before first payments were due, to allow trade talks between the two countries to restart. On Friday, US President Donald Trump called off negotiations over a trade deal, describing the tax as a "blatant attack", and threatened higher tariffs on imports from Canada.

Canada canceled a digital service tax on U.S. technology companies this week in order to preserve trade talks with U.S. President Donald Trump, but another irritant, in agriculture, could be a bigger thorn in the ongoing negotiations.