British Prime Minister Theresa May (C, Rear) attends the Prime Minister's Questions at the House of Commons in London, Britain, on April 10, 2019. Leaders of the European Union's remaining 27 member countries have agreed to an extension of Brexit, European Council President Donald Tusk said on Twitter Wednesday night. (Photo:Xinhua)

British Prime Minister Theresa May (C) attends the Prime Minister's Questions at the House of Commons in London, Britain, on April 10, 2019. Leaders of the European Union's remaining 27 member countries have agreed to an extension of Brexit, European Council President Donald Tusk said on Twitter Wednesday night. (Photo:Xinhua)

British Prime Minister Theresa May (C) attends the Prime Minister's Questions at the House of Commons in London, Britain, on April 10, 2019. Leaders of the European Union's remaining 27 member countries have agreed to an extension of Brexit, European Council President Donald Tusk said on Twitter Wednesday night. (Photo:Xinhua)

British Labor Party leader Jeremy Corbyn (Front) attends the Prime Minister's Questions at the House of Commons in London, Britain, on April 10, 2019. Leaders of the European Union's remaining 27 member countries have agreed to an extension of Brexit, European Council President Donald Tusk said on Twitter Wednesday night. (Photo:Xinhua)