11 people have been injured after a car steered into pedestrians outside London's Natural History Museum on Saturday.
London police said the car crash was a road traffic accident, not a terror attack.
London police said that a man was detained at the scene and described the incident as a collision, adding that he motive for the incident was under investigation.
Media sources reported that several people suffered minor injuries in the incident.
The crash happened at 2:20 p.m. on a day when the central London museum is usually teeming with pedestrians including international tourists. Photographs showed a dented silver car and a man being pinned to the ground outside the museum.
The London Ambulance Service was responding to the incident.
Britain has been on a "severe" terrorist threat level and a massive police response followed the traffic incident.