European leaders warned on Monday that U.S. President Donald Trump's threat to expand tariffs to the EU risked setting off a trade war that would cause economic harm on both sides of the Atlantic.

Donald Trump’s tariffs are a headache for all his trade partners. But the U.S. president’s plan to impose ad hoc “reciprocal” levies on imports are a particular problem for the European Union. By enabling him to target whichever countries in the bloc he pleases,

A top European Union official, who is trying to head off a potential trade conflict, stressed the importance of active engagement and fairness in trade during a four-hour meeting with Trump administra