LONDON (AP) — Voters headed for the polls across Britain Thursday, in a contest that is expected to produce an ambiguous result, a period of frantic political horse-trading and a bout of national soul-searching.

Britain's Prime Minister and Conservative Party leader David Cameron gets in his official car after voting at a polling station in Spelsbury, England, in the general election, Thursday, May 7, 2015. Polls have 


Labour Party leader Ed Miliband and his wife Justine leave the polling station after voting at Sutton Village Hall, Doncaster, England, Thursday May 7, 2015, as Britain takes to the polls in a General Election.

Labour Party leader Ed Miliband and his wife Justine walk to the polling station before voting at Sutton Village Hall, Doncaster, England, Thursday May 7, 2015, as Britain takes to the polls in a General election.