Sir John Major
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Sir John Major: SNP 'a recipe for mayhem'

Former Prime Minister Sir John Major has weighed into the election debate with a warning about what he says are the dangers of a Labour government being propped up by the SNP.

He said an Ed Miliband government would be subjected to a "daily dose of blackmail" by the nationalists, and that would be a "recipe for mayhem".

But the Labour leader accused the Tories of threatening the integrity of the UK.

James Landale reports.

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