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5 live's political correspondent John Pienaar summarises David Cameron's response to the culture secretary Maria Miller's resignation during Prime Minister's Questions.

Mrs Miller was cleared of funding a home for her parents at taxpayers' expense, but was told to repay £5,800 of the expenses she claimed. The independent parliamentary commissioner for standards had previously recommended she repay £45,000.

But the lower sum was approved by the Commons Standards Committee, which has the final say on whether to accept the commissioner's recommendations, a decision which sparked a backlash across the political spectrum and calls for changes in how complaints against MPs are investigated.