Incoming Canadian Prime Minister Mark Carney said Tuesday that his government will keep tariffs in place until Americans show respect and commit to free trade after US President Donald Trump threatened historic financial devastation for Canada. Carney, who will be sworn in as Justin Trudeau's replacement in the coming days, said Trump's latest tariffs are an attack on Canadian workers, families, and businesses. My government will ensure our response has maximum impact in the US and minimal impact here in Canada, while supporting the workers impacted, Carney said. He added: My government will keep our tariffs on until the Americans show us respect and make credible, reliable commitments to free and fair trade." Trump said Tuesday that he will double his planned tariffs on steel and aluminum from 25% to 50% for Canada, escalating a trade war with the United States' northern neighbour and showing an indifference to recent stock market turmoil and rising recession risks. Trump said on