WHITNEY, ENGLAND - APRIL 11: Britain's Prime Minister David Cameron speaks to matron Sandra Allen during a visit to Whitney Community Hospital on April 11, 2015 in Whitney, England. The Conservative party say if they win the election in May then they will pledge to spend an extra 8bn GBP a year on the NHS in England by 2020. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)
