FILE - Labour Party leader Keir Starmer, left, and Prime Minister Boris Johnson lay wreaths during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 14, 2021. (Aaron Chown/Pool via AP, File)
FILE - British environmental activists Helen Steel, second right, and David Morris, right, discuss with their lawyer Keir Starmer, seated, as they wait for the beginning of their hearing at the European Court for Human Rights Tuesday Sept. 7, 2004, in Strasbourg, eastern France. (AP Photo/Christian Lutz, File)
FILE - Britain's Shadow Brexit Secretary Keir Starmer speaks on stage during the Labour Party Conference at the Brighton Centre in Brighton, England, Monday, Sept. 23, 2019. (AP Photo/Kirsty Wigglesworth, File)
FILE - Britain's opposition Labour party leader Jeremy Corbyn, left, sits waiting to speak next to Keir Starmer Labour's Shadow Secretary of State for Exiting the European Union during their election campaign event on Brexit in Harlow, England, Tuesday, Nov. 5, 2019. Britain goes to the polls on Dec. 12. (AP Photo/Matt Dunham, File)
FILE - Britain's Prime Minister Rishi Sunk, right, and Labour Party leader Keir Starmer pass through the Peer's Lobby to attend the State Opening of Parliament, at the Palace of Westminster in London, Tuesday, Nov. 7, 2023. (AP Photo/Alastair Grant, Pool, File)
FILE - Keir Starmer, the leader of Britain's Labour Party walks with his wife Victoria as supporters applaud before his speech at the party's annual conference in Liverpool, England, Tuesday, Sept. 27, 2022. (AP Photo/Jon Super, File)
FILE - Britain's Prime Minister Rishi Sunak, centre, stands with Labour Party leader Keir Starmer, left, former Prime Ministers Liz Truss, fourth right, Boris Johnson, second right, and Theresa May, right, to attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Sunday, Nov. 12, 2023. (AP Photo/Kin Cheung, Pool, File)
FILE - Britain's opposition Labour Party leader Keir Starmer delivers his keynote speech at the Labour Party conference in Liverpool, England, Tuesday, Oct. 10, 2023. (AP Photo/Jon Super, File)
FILE - Keir Starmer, Leader of Britain's opposition Labour Party gestures during a question and answer session at a business conference in London, Thursday, Feb. 1, 2024. (AP Photo/Kirsty Wigglesworth, File)
FILE - Keir Starmer, director of public prosecution, delivers a statement to the media on British lawmakers facing criminal charges relating to claims made on expenses, at the Crown Prosecution Service headquarters in central London, Friday, Feb. 5, 2010. Four British lawmakers will face criminal charges, and the prospect of jail, over Britain's expense claim scandal, Starmer said Friday. (AP Photo/John Stillwell, Pool, File)
FILE - An unidentified man hugs Britain's opposition Labour Party leader Keir Starmer during his speech at the Labour Party conference in Liverpool, England, Tuesday, Oct. 10, 2023. (AP Photo/Jon Super, File)
FILE - King Charles III greets Labour leader Sir Keir Starmer, during an audience in the 1844 Room, at Buckingham Palace, London, Saturday, Sept. 10, 2022. (Jonathan Brady/Pool Photo via AP, File)
FILE - British Labour Party leader Jeremy Corbyn, right, and Keir Starmer, Labour Shadow Brexit secretary, leave EU headquarters prior to an EU summit in Brussels, Thursday, March 21, 2019. (AP Photo/Frank Augstein, File)
FILE - British Labour Party opposition leader Keir Starmer, left, and Britain's Prime Minister Boris Johnson pass a statue of former Prime Minister Margaret Thatcher as they walk through the Members' Lobby following the State Opening speech of Parliament at the Palace of Westminster in London, Tuesday, May 10, 2022. Toby Melville/Pool Photo via AP, File)
FILE - Britain's opposition Labour Party leader Keir Starmer leaves with his wife Victoria after he delivers his keynote speech at the Labour Party conference in Liverpool, England, Tuesday, Oct. 10, 2023.(AP Photo/Jon Super, File)
FILE - Leader of the British Labour Party Keir Starmer gestures as he arrives to make his keynote speech at the annual party conference in Brighton, England, Wednesday, Sept. 29, 2021. (AP Photo/Alastair Grant, File)
FILE - Keir Starmer, second right, of the Labour party listens to Leader of the opposition Labour Party Jeremy Corbyn's speech laying out the plan for the party following the Brexit vote in June 2016, in London, Friday, Feb. 24, 2017. (AP Photo/Alastair Grant, File)
FILE - Labour leader Keir Starmer, right, meets with Ukrainian President Volodymyr Zelenskyy at Speaker's House in the Palace of Westminster, London, during his first visit to the UK since the Russian invasion of Ukraine, Wednesday Feb. 8, 2023. (Stefan Rousseau/pool photo via AP, FIle)
FILE - Leader of the British Labour Party Keir Starmer gestures as he stands with his wife Victoria after making his keynote speech at the annual party conference in Brighton, England, Wednesday, Sept. 29, 2021. (AP Photo/Alastair Grant, FIle)
FILE - Keir Starmer, leader of Britain's opposition Labour Party, speaks to the media during a visit to the COVID-19 Memorial Wall opposite the Houses of Parliament on the Embankment in London, Monday March 29, 2021. (AP Photo/Kirsty Wigglesworth, File)
FILE - Britain's Labour Party leader Keir Starmer speaks to the media as he leaves the BBC studios, in London, Sunday, Oct. 23, 2022. (AP Photo/Alberto Pezzali, File)
FILE - Keir Starmer, the leader of Britain's Labour Party makes his speech at the party's annual conference in Liverpool, England, Tuesday, Sept. 27, 2022. (AP Photo/Jon Super, File)
FILE - Britain's Shadow Brexit Secretary Keir Starmer speaks on stage during the Labour Party Conference at the Brighton Centre in Brighton, England, Monday, Sept. 23, 2019. (AP Photo/Kirsty Wigglesworth, File)
FILE - Britain's Labour leader Keir Starmer delivers his keynote speech, during the party's online conference from the Danum Gallery, Library and Museum in Doncaster, England, Tuesday, Sept. 22, 2020. (Stefan Rousseau/Pool Photo via AP, File)
FILE - From left, Labour leader Sir Keir Starmer, former Prime Ministers Tony Blair and Gordon Brown ahead of the Accession Council ceremony at St James's Palace, London, London, Saturday, Sept. 10, 2022, where King Charles III is formally proclaimed monarch. (Kirsty O'Connor/Pool Photo via AP, File)