Prime Minister Mark Carney during Question Period on Parliament Hill in Ottawa, on Tuesday. Mr. Carney promised supports 'this week' for the steel, auto and lumber sectors.

The federal government plans to limit foreign steel imports and cut interprovincial rail freight rates in a bid to support Canada’s steel industry threatened by damaging U.S. tariffs.

A government official not authorized to speak about details ahead of the public announcement told The Canadian Press that Prime Minister Mark Carney will announce new measures Wednesday.

The prime minister’s public itinerary says Carney will announce “new measures to protect and transform Canadian strategic industries” in at 3:15 p.m. ET.

The official said the government plans to cut steel imports from countries where Canada does not h

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