OTTAWA — President Donald Trump has slammed Canadian imports with a 35 percent tariff hike, accusing Canada of failing to curb the flow of fentanyl into the United States.

The move, which Washington linked in part to what it said was Canada's failure to stop fentanyl smuggling, is the latest salvo in Trump's months-long tariff war initiated soon after taking power. US ...

Donald Trump has a caused a stir with Canada following an announcement on tariff increases and Mark Carney has hit back.