The BBC chairman Chris Patten has said the corporation needs a thorough and a radical overhaul of its structure and management following the resignation of the director general. George Entwistle stepped down in the wake of a television report that wrongly implicated a former British political figure in child sex abuse. Here's our media correspondent Torren Douglas.

Lord Patten said it'd been George Entwistle own decision to resign, but he hadn't tried to argue him out of it because he thought it was right. He said the new director general would be appointed in weeks throughout the month without the cumbersome process that had been used before, and the new leader would be expected to make fundamental changes to the management structure. He said the BBC's bureaucracy hadn't protected it to get the awful journalism of the Newsnight investigation into abuse at a North Wales care home.

An Afghan soldier has opened fire on foreign troops in the south killing a member of Nato's International Security Assistance Force. The Afghan soldier was shot wounded by Nato forces and has been detained. So far this year, more than 15 Nato soldiers have been killed by Afghan colleagues.

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Police in the Polish capital Warsaw have arrested more than 130 people following a violence that marched by nationalists to mark Independence Day. About 20,000 people took part in the march including students and families. From Warsaw, Adam Easton reports.