Additional tariffs on steel and aluminum crossing the border into the United States will mean more struggles for local businesses already dealing with a sluggish economy and consumers worried about spending money as uncertainty looms.

On Wednesday, tariffs on steel and aluminum imports to the United States doubled to 50 per cent after U.S. President Donald Trump signed an executive order.

"I think the biggest thing happening locally is the consumer confidence dropping as a result of the uncertainty," said Ian Low, the owner of Aluminum Associates, a London business for 62 years specializing in housing exteriors.

Trump's move is deepening fear in Ontario, a steel-production hub, and Quebec, a major global aluminum producer.

"I think it's terrible what's happening. The Trump administrati

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