London: London police say emergency services are outside the Natural History Museum in London after a car struck pedestrians. Police say a number of people have been injured and one person has been detained at the scene.\r\n\r\nThe crash happened at 2:20 pm 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.\r\n\r\nPolice said on Saturday they are working to establish the circumstances and the cause.\r\n\r\n\r\nPolice officers stand in the road near the Natural History Museum, after a car mounted the pavement injuring a number of pedestrians, police said, in London, Britain on October 7, 2017. (Photo: Reuters/Peter Nicholls)\r\n\r\nThe London Ambulance Service was responding to the incident.\r\n\r\nPolice said more details would be released later. There was no immediate statement on the number or severity of the injuries.\r\n\r\nLondon's official terrorist threat level has been set at "severe," indicating an attack is highly likely.