As it happened: Reaction to Entwistle's resignation

Key Points

• BBC director general George Entwistle has resigned in the wake of the Newsnight north Wales child abuse broadcast
• The broadcast led to former Conservative treasurer Lord McAlpine being wrongly implicated in abuse
• BBC Trust chairman Lord Patten, who criticised "shoddy journalism" at Newsnight, says the BBC needs a thorough, structural, radical overhaul
• Lord Patten says a new director general will be chosen within weeks