Labour and Conservatives tied again ahead of election - YouGov poll

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Britain's Prime Minister Cameron launches the Conservative Welsh manifesto in Builth Wells, Wales

Britain's Prime Minister David Cameron launches the Conservative Welsh manifesto on April 17, 2015 in Builth Wells, Wales. REUTERS/Peter Macdiarmid/POOL

(Reuters) - With less than a month left to the May 7 election, Prime Minister David Cameron's Conservatives and opposition Labour party are tied at 34 percent, according to a YouGov poll for The Sun newspaper published on Friday.

Labour and Conservatives remain unchanged at 34 percent from a day earlier, according to the latest YouGov poll.

The poll put UK Independence Party unchanged at 14 percent, the Liberal Democrats at 9 percent, up 2 points, and the Greens unchanged at 5 percent, the newspaper said.

The two main parties have been neck-and-neck in the polls since the beginning of the year, with neither establishing a lead beyond the typical 3 percent margin of error in most surveys.

Opinion polls have consistently shown that neither the Conservatives nor Labour are likely to win an overall majority in the 650-seat Parliament.

For a graphic of the latest polls, please click on: http://graphics.thomsonreuters.com/15/UK-election/index.html#section-2-polls

(Reporting by Rishika Sadam in Bangalore; Editing by Christian Plumb)