Canada’s Mark Carney calls the 50-percent tariff increase ‘illegal’, while Mexico’s Sheinbaum weighs countermeasures.

President Trump signed an order Tuesday doubling tariffs to 50% on steel and aluminum imports — drawing swift criticism from officials in neighboring Canada and Mexico. Why it matters: Trump's order said the increased tariffs that took effect early Wednesday "will more effectively counter" countries that "offload low-priced,

From the BBC World Service: The U.S. is doubling tariffs on most imported steel and aluminum, raising them from 25% to 50%.