You're right. I got confused with this and facial recognition being used at Notting Hill Carnival in 2016 and 2017: https://www.london.gov.uk/questions/2017/36

You're right. I got confused with this and facial recognition being used at Notting Hill Carnival in 2016 and 2017: https://www.london.gov.uk/questions/2017/3628 https://www.london.gov.uk/questions/2017/3628