Keir Starmer travels to Brussels on Monday, becoming the first British prime minster to attend a European Union leaders’ meeting since the U.K. left the bloc five years ago. Starmer will head to dinner with EU leaders at Brussels’s neoclassical Egmont Palace walking a diplomatic and economic tightrope.

Sir Keir Starmer is visiting Brussels on Monday to discuss defence issues, but the looming trade war with the US could overshadow talks.

British Prime Minister Keir Starmer said Sunday that he would seek a strong trade relationship with the U.S. after President Donald Trump suggested he would slap Europe with tariffs after he hit America's biggest trading partners — Canada,