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How will the BBC change after Entwistle's resignation?

11 November 2012 Last updated at 19:12 GMT

A "thorough, radical, structural overhaul" of the BBC is necessary in the wake of the resignation of the director general, BBC Trust chairman Lord Patten has said.

George Entwistle quit on Saturday after a controversial Newsnight report led to a former Tory treasurer being wrongly accused as a child abuser

The BBC Trust has said it wants an overhaul of management structures at the organisation.

Home Editor Mark Easton analyses how the BBC may change.