John Bercow, speaker of the House of Commons, announces his intention to step down in London, Britain, on Sept. 9, 2019. British lawmakers on Monday night voted to reject Prime Minister Boris Johnson's second bid for a snap general election, dealing another heavy blow to his Brexit strategy. (Photos: Xinhua)

John Bercow, speaker of the House of Commons, announces his intention to step down in London, Britain, on Sept. 9, 2019. British lawmakers on Monday night voted to reject Prime Minister Boris Johnson's second bid for a snap general election, dealing another heavy blow to his Brexit strategy.

John Bercow, speaker of the House of Commons, announces his intention to step down in London, Britain, on Sept. 9, 2019. British lawmakers on Monday night voted to reject Prime Minister Boris Johnson's second bid for a snap general election, dealing another heavy blow to his Brexit strategy.

John Bercow, speaker of the House of Commons, announces his intention to step down in London, Britain, on Sept. 9, 2019. British lawmakers on Monday night voted to reject Prime Minister Boris Johnson's second bid for a snap general election, dealing another heavy blow to his Brexit strategy.

John Bercow, speaker of the House of Commons, announces his intention to step down in London, Britain, on Sept. 9, 2019. British lawmakers on Monday night voted to reject Prime Minister Boris Johnson's second bid for a snap general election, dealing another heavy blow to his Brexit strategy.