Election 2015: Cameron 'agrees to just one TV debate'

David Cameron has said he will take part in only one televised debate ahead of the general election, featuring seven party leaders.

The announcement rules out a head-to-head clash with Labour leader Ed Miliband ahead of the May 7 poll.

Downing Street said it was a "final offer" and criticised the "chaos" of the negotiating process.

James Landale reports.