Britain's Prime Minister Rishi Sunak is given a tour of the Sizewell B nuclear power facility by Station Director Robert Gunn in Sizewell, England, Wednesday, June 19, 2024. (Leon Neal/Pool Photo via AP)
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)
Britain's Prime Minister and Conservative Party leader, Rishi Sunak shakes the hand of a member of staff during a Q&A event at Denby Pottery Factory as part of a Conservative campaign event in the build-up to the UK general election on July 4, in Ripley, south England, Thursday June 27, 2024. (Darren Staples/Pool Photo via AP)
British Prime Minister Rishi Sunak speaks during a Conservative general election campaign event, in Edinburgh, Scotland, Monday, June 24, 2024. (Phil Noble/Pool Photo via AP)
Britain's Prime Minister Rishi Sunak hosts a Q&A event with staff during a visit to Denby Pottery Factory as part of a Conservative campaign event in the build-up to the UK general election on July 4, in Ripley, south England, Thursday June 27, 2024. (Darren Staples/Pool Photo via AP)
FILE - Britain's Prime Minister Rishi Sunak and opposition Labour Party leader Keir Starmer, left, take part for the BBC's Prime Ministerial Debate, in Nottingham, England, on June 26, 2024. Even in a busy year of elections, the next few days stand out. Voters go to the polls over the next week in fledgling democracies like Mauritania and Mongolia, in the Islamic Republic of Iran and in the stalwart democracies of Britain and France. (Phil Noble/Pool via AP, File)
Britain's Prime Minister and Conservative Party leader Rishi Sunak, second from right, speaks to apprentices inside a new train during a visit to Alstom Transport during the general election campaign, in Derby, northern England, on June 27, 2024. (Darren Staples/Pool Photo via AP)
Britain's Prime Minister Rishi Sunak shake hands with members of the audience after making a speech at an event at Petyt Hall, while on the general election campaign trail,in London, Monday June 24, 2024. (Stefan Rousseau/PA via AP)
Britain's Prime Minister and Conservative Party leader Rishi Sunak, second from left, walks beside a train being built during a visit to Alstom Transport during the general election campaign, in Derby, northern England, on June 27, 2024. (Darren Staples/Pool Photo via AP)
Britain's Prime Minister Rishi Sunak hosts a Q&A event with staff during a visit to Denby Pottery Factory as part of a Conservative campaign event in the build-up to the UK general election on July 4, in Ripley, south England, Thursday June 27, 2024. (Darren Staples/Pool Photo via AP)