The escalation in tensions comes as President Donald Trump seeks to use trade as leverage to strengthen border enforcement.

TORONTO (AP) — Ontario’s premier, the leader of Canada’s most populous province, announced that effective Monday it is ...

"The reliable, uninterrupted flow of economic power across the Canadian interties is critical to protect the health, safety and welfare of New York citizens ... " ...

President Donald Trump is dismissing business concerns over the uncertainty caused by his planned tariffs on a range of ...

Ontario has imposed a 25 per cent surcharge on electricity exports to the United States, Premier Doug Ford announced on ...

This surcharge will affect electricity sales for 1.5 million homes and businesses across Michigan, Minnesota and New York, ...

Mark Carney, who comes from a long career in finance, won the Liberal Party’s election on Sunday. His first challenge will be managing growing tensions with the U.S.

By taxing their power and buying his way onto their TV screens, Ontario premier says he's taking fight to the American people ...

Ontario Premier Doug Ford is exercising his Trump card by imposing a 25 per cent surcharge on power exports to the U.S. With ...