FILE - Labour Party leader Keir Starmer smiles as he speaks to his supporters at the Tate Modern in London, Friday, July 5, 2024. After a few hours of sleep to shake off a night of celebration and an audience with the king, Keir Starmer will step through the front door of 10 Downing St. for the first time as prime minister on Friday. (AP Photo/Kin Cheung, File)