President Donald Trump on Saturday threatened to impose a 30% tariff on imports from Mexico and the European Union starting on August 1, after weeks of negotiations with the key U.S. allies and top trading partners failed to reach a comprehensive trade deal.

The United States will start charging 30% tariffs on August 1 on products coming into the country from the European Union, President Donald Trump confirmed Saturday.

President Donald Trump on Saturday threatened duties of 30% on products from Mexico and the European Union, two of America’s biggest trading partners, in an ongoing tariff campaign that’s upended global trade since he retook office in January.