The letter signed by celebrities also calls on Sir Keir Starmer to ‘use all available means’ to ensure humanitarian aid gets in to the territory.

Israel, meanwhile, carried out strikes on Iran’s Arak heavy water reactor, its latest attack on the country’s sprawling nuclear programme.

As a brass quintet from the Minnesota Orchestra played, Governor Tim Walz wiped away tears and comforted attendees at the gathering for former House speaker Melissa Hortman and her husband, Mark, who ...