The trade war promised by President Donald Trump stepped up a gear overnight, with 25% tariffs on goods from Mexico, Canada, and an additional 10% on China taking effect. No one was really sure that it would actually happen—a month ago,

U.S. President Donald Trump's new 25% tariffs on imports from Mexico and Canada took effect on Tuesday, along with a doubling of duties on Chinese goods to 20%, launching new trade conflicts with the top three U.

President Donald Trump’s blanket tariffs on Mexico and Canada took effect on Tuesday, an extraordinary action aimed at bringing America’s top trading partners to heel. But it threatens to weaken the North American economy,

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China and Canada announced immediate retaliatory measures, as Mexico said it has a “contingency plan” in place to deal with Trump’s tariffs.

The possibility of a global trade war inched dangerously close to reality as Canada promised retaliatory tariffs as US President Donald Trump imposed fresh duties on imports from the neighbouring country.