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
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Former Labor Party member Alan Johnson (right) leaves a hair salon that is also a polling station during the election, in Hull, May 7, 2015.
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A man receives his voting paper from poll clerks in a public launderette being used as a polling station in Oxford, May 7, 2015.
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Liberal Democrat leader Nick Clegg and his wife Miriam Gonzalez Durantez on their way to vote at the Hall Park Center in Sheffield, May 7, 2015.