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Latest updates Election 2015
The general election campaign has officially kicked off with a claim from the Conservatives that every working family in Britain would pay an extra £3,028 in taxes under a Labour government.
Opinion surveys are suggesting unprecedented gains for the Scottish National Party in the upcoming general election.
The final outcome of the 2015 general election will be shaped by the results in dozens of marginal seats, where relatively modest shifts in voting patterns will be enough to change the result.
David Cameron says he wants to complete the job of "turning the country around" as the election officially gets under way and other leaders hit the campaign trail.
The latest from the campaign trail as our reporters travel around the country with the parties.
BBC London political editor Tim Donovan looks at the key marginal seats in traditionally Labour-leaning London.
In the run-up to the general election on 7 May, we'll bring you a daily guide to the key stories from the campaign trail.
With just under six weeks to go until polling day the size of the electoral challenge for all the parties is clear.
Parliament has been dissolved, signalling the beginning of the general election campaign, which will last just under six weeks.
To reinforce Labour's business message the party took out a full-page advertisement in the Financial Times, but at least one company has objected to its comments being used for political purposes.