LONDON, ENGLAND - MAY 08:  British Prime Minister David Cameron and his wife Samantha Cameron arrive to 10 Downing Street on May 8, 2015 in London, England. After the United Kingdom went to the polls in a closely fought General Election the Conservative party, led by David Cameron, are expected to be the winning party with support for both the Labour party and the Liberal Democrats falling away throughout the country.  (Photo by Rob Stothard/Getty Images)