Mark Carney argues the 50% tariff increase is illegal, cautioning it could harm American workers and industry.

Canada's steel industry warned the doubling of tariffs could create 'mass disruption' for the sector, while aluminum producers call the situation 'unprecedented.' ...

Premiers, industry, labour and business organizations are urging reprisal. The Prime Minister says Canada ‘will take some time’ to respond ...

Prime Minister Mark Carney has called Tuesday's doubling of steel and aluminum tariffs by U.S. President Donald Trump "unjustified" and pledged to respond, but what that response might look like isn't ...

Ontario Premier Doug Ford is pressuring Canada’s Prime Minister Mark Carney to ramp up tariffs against the United States ...

OTTAWA — Ontario Premier Doug Ford is urging Canada’s prime minister to retaliate against the United States after it doubled ...

Canadian Prime Minister Mark Carney on Wednesday denounced US President Donald Trump's doubling of tariffs on steel and ...

Donald Trump called Xi Jinping “extremely hard to make a deal with” as the world’s two largest economies battle over trade.

U.S. President Donald Trump has signed an executive order that will double steel and aluminum tariffs on Wednesday ...

In an earlier round of this tariff war, Ford imposed an electricity surcharge on the United States in March when Trump ...