British Prime Minister Theresa May reacts as she delivers a statement in London, Britain, May 24, 2019. May, once a reluctant supporter of EU membership who won the top job in the turmoil that followed the 2016 Brexit referendum, steps down with her central pledge - to lead the United Kingdom out of the bloc and heal its divisions - unfulfilled.
REUTERS/Yves Herman
Prime Minister Theresa May leaves after a news conference following an extraordinary European Union leaders summit to discuss Brexit, in Brussels, Belgium April 11, 2019.
REUTERS/Toby Melville
Prime Minister Theresa May waits for Iceland's Prime Minister Katrin Jakobsdottir at Downing Street in London, Britain May 2, 2019.
UK Parliament/Jessica Taylor/Handout via REUTERS
Prime Minister Theresa May reacts during the debate on extending Brexit negotiating period in Parliament in London, Britain, March 14, 2019.
REUTERS/Yves Herman
European Commission President Jean-Claude Juncker, Britain's Prime Minister Theresa May, Dutch Prime Minister Mark Rutte, Belgium's Prime Minister Charles Michel and Britain's Permanent Representative to the EU Tim Barrow attend a European Union leaders summit in Brussels, Belgium March 21, 2019.
REUTERS/Henry Nicholls
Prime Minister Theresa May gets into a vehicle at Downing Street, as she faces a vote on Brexit, in London, Britain March 13, 2019.
REUTERS/Dominic Lipinski/Pool
Queen Elizabeth welcomes Theresa May at the start of an audience in Buckingham Palace, where she invited her to become Prime Minister, in London July 13, 2016.
REUTERS/Toby Melville
Prime Minister Theresa May is embraced by her husband Philip after giving her speech on the final day of the annual Conservative Party Conference in Birmingham, Britain, October 5, 2016.
REUTERS/Toby Melville
Prime Minister Theresa May speaks at the annual Conservative Party Conference in Birmingham, Britain, October 2, 2016.
REUTERS/Christopher Furlong/Pool
Prime Minister Theresa May in the cabinet office signs the official letter to European Council President Donald Tusk invoking Article 50 and the United Kingdom's intention to leave the EU on March 28, 2017 in London, England. After holding a referendum in June 2016 the United Kingdom voted to leave the European Union, the signing of Article 50 now officially triggers that process.
REUTERS/Leonhard Foeger
Prime Minister Theresa May and European Commission President Jean-Claude Juncker attend the European Union leaders informal summit in Salzburg, Austria, September 20, 2018.
REUTERS/Stefanie Loos
German Chancellor Angela Merkel and British Prime Minister Theresa May address a news conference following talks at the Chancellery in Berlin, Germany July 20, 2016.
REUTERS/Yves Herman
European Council President Donald Tusk and Britain's Prime Minister Theresa May talk as they arrive for a group photo at the ASEM leaders summit in Brussels, Belgium October 19, 2018.
REUTERS/Darren Staples
Prime Minister Theresa May arrives on stage dancing to Abba's 'Dancing Queen' before delivering her keynote address on the final day of at the Conservative Party Conference in Birmingham, Britain, October 3, 2018.
Kirsty Wigglesworth/Pool via REUTERS
Prime Minister Theresa May grimaces during her speech on Brexit in London, Britain May 21, 2019.
Matt Dunham/Pool via Reuters
Prime Minister Theresa May reacts during a news conference at Downing Street in London, Britain November 15, 2018.
REUTERS/Hannah McKay
Britain's Prime Minister Theresa May and U.S. President Donald Trump walk away after holding a joint news conference at Chequers, the official country residence of the Prime Minister, near Aylesbury, Britain, July 13, 2018.
REUTERS/Leah Millis
British Prime Minister Theresa May, German Chancellor Angela Merkel, Canada's Prime Minister Justin Trudeau, France's President Emmanuel Macron and Japanese Prime Minister Shinzo Abe wait for U.S. President Donald Trump to join them for a family photo at the G7 Summit in Charlevoix, Quebec, Canada, June 8, 2018.
REUTERS/Simon Dawson
Britain's Prime Minister Theresa May greets the Crown Prince of Saudi Arabia Mohammad bin Salman outside 10 Downing Street in London, March 7, 2018.
REUTERS/Yves Herman/Pool
Prime Minister Theresa May arrives with Permanent Representative to the EU Tim Barrow at an extraordinary EU leaders summit to finalise and formalise the Brexit agreement in Brussels, Belgium November 25, 2018.
REUTERS/Phil Noble
The wording on a slogan is changed after a letter fell away from the backdrop as Prime Minister Theresa May addresses the Conservative Party conference in Manchester, October 4, 2017.
REUTERS/Hannah McKay
Prime Minister Theresa May smiles as she listens to speeches at the Conservative Party's conference in Manchester, October 2, 2017.
REUTERS/Rebecca Naden
Prime Minister Theresa May tours the Royal Welsh Winter Fair at the Royal Welsh Showground in Builth Wells, Wales, Britain November 27, 2018.
REUTERS/Dylan Martinez/File Photo
FILE PHOTO: Britain's Prime Minister Theresa May walks during a campaign stop in Mevagissey, Cornwall, Britain, May 2, 2017. REUTERS/Dylan Martinez/File Photo
