Britain's outgoing prime minister Theresa May leaves 10 Downing street to take part in her final Prime Minister Question (PMQ) session in the House of Commons in London on July 24, 2019. - Theresa May is set to formally resign after taking her final PMQs in the House of Commons with Boris Johnson taking charge at 10 Downing Street on a mission to deliver Brexit by October 31 with or without a deal. (Photo by Ben STANSALL / AFP)