<p><br /> Britain is heading for a hung Parliament with the Conservatives the largest party, according to an exit poll.<br /> </p><p><br /> The BBC/ITV News/Sky News survey gives the Tories 307 seats, Labour 255 and the LibDems 59.<br /> </p><p><br /> That leaves David Cameron 19 seats short of the overall majority he needs to propel him straight to Downing Street.<br /> </p><p><br /> The poll, conducted at 130 polling stations and which surveyed more than 20,000 voters, suggests Britain is on course for its first hung parliament since 1974.<br /> </p><p><br /> Exit polls from the last three elections correctly predicted the outcome, but they have not always been accurate. Exit polls in 1992 pointed to a hung parliament but the Conservatives in fact won a majority.<br /> </p>
