FILE - Britain's Prime Minister Rishi Sunak, second right, holds a wreath as he stands with Labour Party leader Keir Starmer, left, former Prime Ministers Liz Truss, third right, and Boris Johnson, right, to attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, on Nov. 12, 2023. If opinion polls giving Labour a consistent double-digit lead are borne out on election day, Starmer will become Britain's first Labour prime minister since 2010. (AP Photo/Kin Cheung, Pool, File)