British voters head to the polls Thursday for a parliamentary election that opinion polls show is too close to predict.
Cameron, Miliband Locked in Too-Close-to-Call British Election
1
An advertising van with images of Britain's Prime Minister David Cameron and leader of the opposition Labor Party Ed Miliband drives around Parliament Square, central London, May 7, 2015.
2
Chelsea Pensioner Wayne Campbell is helped out of a polling station after casting his vote in the general election, London, May 7, 2015.
3
Britain's opposition Labor Party leader Ed Miliband leaves after voting with his wife Justine in Doncaster, May 7, 2015.
4
Prime Minister David Cameron arrives with his wife Samantha to vote in Spelsbury, May 7, 2015.