London Police Deploy Real-Time Facial Recognition, Resulting in 2,500 Arrests
London police deployed an AI facial recognition system in 2024 that compares footage of pedestrians in real-time against a database of wanted persons, resulting in approximately 2,500 arrests by July 2026. Civil rights advocates warn that the system lacks clear legal framework and raises privacy concerns, though police argue that false matches are rare and identity verification is required before arrest.
What happened
Starting in 2024, London Police deployed a real-time facial recognition system at multiple locations including Sloan Square in Chelsea. Cameras scan pedestrian faces and automatically compare them to a database of wanted persons; when the software identifies a match, a photograph is sent to officers' mobile devices for on-site verification.
London Police Director of Intelligence Ben Rasel reported that by July 2026, approximately 2,500 people had been arrested using the system, with nearly 900 arrests in 2026 alone. Police claim that false matches are rare and that identity verification, including document checks, is required before any arrest is made.
Reported impact
Civil rights organization Big Brother Watch warned that the system lacks clear legal framework governing when and under what conditions police may deploy it. Activist Jack Colson stated that biometric data is particularly sensitive because it enables precise identification and can be stored and used for various purposes.
Index analysis
The deployment represents a significant escalation in surveillance practice, as London Police actively search pedestrians on streets rather than reviewing footage only in response to specific investigations, a practice common in most European countries.
Governance controls
No clear legal framework exists in UK law to regulate the use of real-time facial recognition by police.
Classification
Sources and evidence
This record was researched and written by the Index, based on the following original reporting.