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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The Independent Police Complaints Commission previously said it "made representations" to Scotland Yard to suspend the officer.
Yoko Ono has accused the family lemonade business of 'abusing and misusing the legacy of John Lennon to sell their soda'.
The Londoner was last heard from a week ago just days after posting online about her fears of being robbed.