Trump wrote to Carney to inform him that, from August 1, Canada will face a 35 percent import tariff after the two sides failed to reach a deal during the recent pause. The American leader said he would consider revising the 35 percent tariff "if Canada works with me to stop the flow of Fentanyl".

U.S. President Donald Trump is threatening to hit Canadian imports with 35 per cent tariffs on Aug. 1, reviving the trade war between the neighbouring countries.