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 senior employee at a 4-star London hotel has been jailed for six years for raping a man who he lured to a fake job interview.
Children's charity Kids Company is being investigated by the Metropolitan Police over criminal allegations.
The new list is the first to be published since the general election. Some of those identified owed money to a handful of workers.