China pledges to retaliate against Trump's new tariffs, warning of serious global economic impacts as tensions escalate between the two largest economies.
The European Union retaliates against U.S. tariffs with new duties on American products, deepening trade tensions amid strained transatlantic relations.
Premier Doug Ford of Ontario plans to impose tariffs on electricity to the U.S. states of Michigan, New York, and Minnesota in retaliation against U.S. tariffs.