One person has died and 15 others have been hurt in a crash between two buses and a car in south-east London.
The crash occurred on Sevenoaks Road in Orpington at about 22:10 GMT on Thursday.
London Ambulance Service said one person was pronounced dead at the scene and 15 people had been taken to hospital. Three have serious injuries.
A man who was driving the car has been arrested on suspicion of causing death by dangerous driving, the Met said.
The London Fire Brigade (LFB) sent 60 firefighters to the scene of the collision.
Fire crews rescued several people from the single-decker buses, helped carry out first aid and made the vehicles safe, according to LFB Assistant Commissioner Graham Ellis.
Road closures have been put in place and police have advised motorists to use alternative routes.
Six bus routes have also been diverted.