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

The recent decision by President Donald Trump to double tariffs on steel and aluminum imports from 25% to 50% has sent ripples through the international trade community. This move, justified by Trump as a means to further secure the U.

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,