Five people have died and 51 people have been taken to hospital following a tram derailment in Croydon.
Emergency services from London including Ealing officers are among those helping in the rescue effort.
A number of officers have been deployed to assist Croydon police, after reports more than five people were trapped and more than 50 people injured in the devastating incident in which two carriages derailed on Wednesday (November 9) morning.
Emergency services including the London Fire Brigade, London's Air Ambulance, London Ambulance Service, the Metropolitan Police and British Transport Police officers are at the scene.
More than 70 firefighters have released a number of people but two remain trapped at the scene of the incident near Sandilands tram stop on Addiscombe Road.
Eight fire engines and five fire rescue units (FRUs), which contain specialist rescue equipment were sent to the scene.
London Fire Brigade deputy assistant commissioner, Andy Roe, who is in charge of the incident for the brigade, said: “Firefighters have released a number of people and two people remain trapped.
"All the emergency services are working closely together to help those involved in this incident.”
The first fire engine was on the scene within six minutes of being called.
The brigade said firefighters are expected to remain at the scene for a number of hours.
A London Ambulance Service spokesman added: “We were called at 6.13am to an incident at Addiscombe Road in Croydon.
“We have had a number of resources at the scene, including ambulance crews, advance paramedics and single responders in cars.
“We have treated a number of patients, currently 56 have been taken to hospital.
“We are still treating one patient at the scene.”
More footage from the scene
A statement from BTP said: "We are currently on scene at a major incident at Sandilands tram stop in Croydon.
"Officers are working to deal with a tram derailment, alongside colleagues from other emergency services.
"A number of people are believed to have been injured. People are asked to avoid the area.
"We will issue more updates as soon as possible."
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