How the trial worked Live facial recognition cameras compare faces passing through a particular location with images on a police watchlist.
Concerns about accuracy and proportionality The trial has renewed debate over whether live facial recognition is appropriate for crowded public spaces.
A growing use of facial recognition More than half of police forces in England and Wales have now used live facial recognition on public streets, according to an analysis by Liberty Investigates.
The Metropolitan police and the mayor’s office announced plans for fixed facial recognition cameras in the West End.
A recent report from the Joint Committee on Human Rights described live facial recognition as a particularly clear example of the risks created by AI.