https://www.theguardian.com/technology/2019/oct/04/facial-recognition-row-police-gave-kings-cross-owner-images-seven-people

Met apologises after local police passed on images for controversial surveillance scheme

Images of seven people were passed on by local police for use in a facial recognition system at King’s Cross in London in an agreement that was struck in secret, the details of which have been made public for the first time.