At least five people have been killed, and more than 50 others injured, after a tram overturned, in south London.
Five people have died and dozens more have been injured after a tram overturned in south London, police have said.
British Transport Police (BTP) has arrested the driver but would not confirm what for.
Two people remain trapped inside the vehicle following the derailment in Croydon just after 06:00 GMT.
A number of people were freed and more than 50 people were taken to hospital with injuries.
Investigators from the Rail Accident Investigation Branch are at the scene.