Broadcasters last night threatened to go ahead with televised election debates with or without David Cameron. The ‘take it or leave it’ offer by BBC, ITV, Sky and Channel 4 came as bosses published revised plans that will now involve the leaders of seven parties. Along with the Tories, Labour, Lib Dems and Ukip, TV executives have extended the invitation to the Green Party, the Scottish Nationalist Party and Welsh nationalists Plaid Cymru. Scroll down for video Tory leader David Cameron has come under pressure to sign up to debates with Lib Dem Nick Clegg and Labour's Ed Miliband
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Broadcasters agree to David Cameron's demand for a role for the Greens
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New plan would see one TV battle between Cameron and Miliband
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BBC and ITV would then host separate debates with seven-strong line-up
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TV chiefs say debates will go ahead with or without Cameron and Clegg
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But minor parties are furious over snub - including Respect and the DUP
He said: ‘In light of the extension of the debates to smaller and regional parties, the failure of the broadcasters to invite the @placeholder to participate is inexplicable.