Deputy Mayor for Policing Stephen Greenhalgh, who is also being quizzed by the committee, said that they were "not complacent" about the Sapphire rape investigations unit and were "not saying everything has been learnt".
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A London flat which was home to George Harrison and Ringo Starr in the 1960s has been put on the market for £2.5 million.
An Old Bailey jury also heard today how the 15-year-old initially told police that he was showing the girl the gun when it went off.
Passengers on the Underground, Overground, many mainline rail services and the can use bank cards instead of Oyster cards from today.