Prime Minister David Cameron leaves 10 Downing Street on February 22, 2016 in London, England. Mr Cameron is due to make a statement to the House of Commons after a weekend of negotiations with European Union member states.
{"Image ImageDescription": "LONDON, ENGLAND - FEBRUARY 22:  Prime Minister David Cameron leaves 10 Downing Street on February 22, 2016 in London, England. Mr Cameron is due to make a statement to the House of Commons after a weekend of negotiations with European Union member states.  (Photo by Carl Court/Getty Images)", "Image Copyright": "2016 Getty Images"}