As U.S. President Donald Trump threatens an increase in tariffs on Canada, Prime Minister Mark Carney says the federal government has “sole responsibility” for the country’s ongoing trade talks with its southern neighbour.

“It is the sole responsibility of the government of Canada to have those discussions with the United States, and it’s the best way forward,” he told reporters Sunday.

Carney was in Malaysia for the Association of Southeast Asian Nations leaders summit.

His comments came hours after Trump threatened a 10 per cent tariff on top of what was already in place on Canada in response to an ad campaign launched by Ontario, which aired on American television.

In a post on his Truth Social platform on Saturday evening, Eastern time, Trump once again criticized Canada f

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