A suggested code of practice which covers police use of live facial recognition in England and Wales has been criticised by human rights groups.
Live facial-recognition systems compare faces captured on closed-circuit television with those on a watch-list, alerting officers to a match.
The campaign group Big Brother Watch called for the technology to be banned and said the code legitimised the use of an invasive surveillance technology.
BBC News – New police CCTV use rules criticised as bare bones