David Cameron will today insist that an in/out referendum on EU membership will be a "fundamental principle" of the next government if the Conservatives win the 2015 general election.
For me this is a fundamental principle. And I would not be Prime Minister of a Government unless we could carry out our pledge of an in-out referendum. Because the British people deserve their say, and I will make sure they get it.
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A widespread frost across the UK as temperatures fall below freezing under clear skies.
Largely dry elsewhere tonight with a widespread frost and icy stretches