Ontario Premier Doug Ford's move to impose a surcharge on electricity flowing south of the border seems to have gotten the attention of U.S. President Donald Trump. Trump turned his sights on the new ...

President Donald Trump escalated his trade war with Canada on Tuesday, pledging to double his planned steel and aluminum ...

The US President Donald Trump says Canada can avoid higher taxes if they join the United States of America and become its ...

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Ontario Premier Doug Ford said that he would not “hesitate” to completely shut the electricity off if US President Donald Trump continues the trade war.

Yahoo Finance will chronicle the latest news and updates on Trump's tariffs — from the threats to the eventual policy.

President Donald Trump is not taking a passive approach to the escalating tariff war between the United States and Canada.

Trump boosted the punitive tax on imported aluminum and steel from 25% to 50% effective Wednesday after Ontario premier Doug ...

But Trump announced time was up on March 3, and the tariffs went into effect overnight. Stock markets slipped, Canada ordered ...

Ontario’s premier repeated that he’s willing to shut off electricity exports to the US to send a message to the White House after President Donald Trump said he’ll double tariffs on Canadian steel and ...

United States President Donald Trump said he was increasing the steel and aluminum tariff on Canadian goods to 50 per cent to ...

In retaliation to Ontario’s 25% tax on electricity exports to the US, President Donald Trump has imposed a 50% tariff on ...