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.

President Donald Trump unleashed his latest tariff ultimatums, declaring a 30% rate for Mexico and the European Union, as his trade agenda continues to keep allies off balance and inject uncertainty into global financial markets.

President Donald Trump has announced that the European Union and Mexico will face a 30% tariff on imports to the US from 1 August. He warned he would impose even higher import taxes if either of the US trading partners decided to retaliate.