U.S. President Donald Trump on Saturday ordered 25% tariffs on Canadian and Mexican imports and 10% on goods from China starting on Tuesday and declared that they would remain in place until a national emergency over the drug fentanyl and illegal immigration to the U.

President Donald Trump signed an executive order issuing tariffs on goods coming into the U.S. from Canada, Mexico and China, raising the risk of a trade war with America’s closest trading partners and threatening to drive up prices on everything from cars to avocados.