LONDON - MAY 06:  An exit poll conducted by the BBC is projected on to Big Ben at the moment voting finishes on May 6, 2010 in London, England. After five weeks of campaigning, including the first ever live televised  Leader?s Debates,  opinion polls suggest that the UK is facing the prospect of a hung parliament for the first time since 1974..  (Photo by Christopher Furlong/Getty Images)