Shadow energy secretary Caroline Flint said Ofgem's report shows the Prime Minister "is too weak to stand up to the energy companies and just stands for a privileged few".
Ms Flint said, “However you look at it, there’s no hiding the fact that on David Cameron’s watch the energy companies have increased their profits on the back of spiralling bills for hard-pressed consumers.
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In an interview with The Sunday Telegraph David Cameron has set out a series of policies designed to appeal to traditional Tory voters.
Nick Clegg will attempt to win over the female electorate when he kicks off the Liberal Democrats' general election campaign later today.