UKIP leader Nigel Farage
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UKIP leader Nigel Farage wants 'written in blood' pledge

UKIP leader Nigel Farage has demanded a "written in blood" guarantee of a referendum on EU membership before entering any pact with another party.

Speaking to the party's autumn conference, he said any future deal with the Conservatives would be difficult, as he claimed David Cameron opposed a "full, free and fair" vote.

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