Britain's Prime Minister, David Cameron, leaves number 10 Downing Street to go the House of Commons, in central London, Britain June 27, 2016. REUTERS/Peter Nicholls

Britain’s Prime Minister, David Cameron, leaves number 10 Downing Street to go the House of Commons, in central London, Britain June 27, 2016. REUTERS/Peter Nicholls

Britain's Prime Minister, David Cameron, leaves number 10 Downing Street to go the House of Commons, in central London, Britain June 27, 2016. REUTERS/Peter Nicholls

June 27, 2016 10:03 AM (UTC+8)