Lawmakers in San Francisco have voted to outlaw the use of facial recognition tools.
It is a move which will have implications for police surveillance and also for transit agencies.
It was reported last year that Bay Area Rapid Transit (Bart) was considering the introduction of face recognition software on its cameras, for example but Bart will not now be able to do so.
The 8-to-1 vote by the Board of Supervisors means San Francisco is the first city in the US to take this step and the decis