Private security officers first on scene of Clapham stabbing after teen knifed in chest in London attack

A TEENAGER who was left fighting for his life after being stabbed at Clapham Junction is believed to have been attacked by two suspects.

Private security officers were the first on the scene after the victim, a 19-year-old male, was attacked.

Police and an air ambulance attended the scene at around 3.20pm on Tuesday, October 21 2025, with the latter seen landing on Clapham Common, south London.

A London Ambulance Service spokesperson said: “We were called at 3.20pm to reports of a stabbing on Beauchamp Road, SW11.

“We sent resources to the scene, including an ambulance crew, a paramedic from our tactical response unit and an incident response officer. We also dispatched London’s Air Ambulance.

“Our first paramedics arrived on scene in less than four minutes.

“We were treated a man for stab wounds and took him to a major trauma centre by road as a priority.”

The Met Police said in response to enquiries on the day: "At 3:26pm officers attended Lavender Hill, Wandsworth, alongside the London Ambulance Service following reports of a stabbing.

"A 19-year-old was treated at the scene for stab wounds. He was taken to hospital with injuries believed to be life-threatening. We await an update on his condition.

"No arrests have been made, and police are urgently making enquiries. Anybody who witnessed the incident – or who has information – is urged to call 101, quoting crime reference 4781/21OCT."

Private security security officers from My Local Bobby, who patrol the area, were also on the scene.

My Local Bobby CEO posted on Linkedin: "Bobbies Peter and Ben, from My Local Bobby, whilst patrolling their beat responded to a stabbing on St John’s Road, Clapham Junction.

"On arrival, they found a male who had suffered a stab wound to the chest, reportedly attacked by two male suspects who fled the scene in a black Citroën on false plates.

"The Bobbies immediately secured the scene, moved members of the public away to prevent contamination of crucial evidence, and provided emergency first aid to the injured male until police and paramedics arrived.

"They then assisted with the police cordon, remaining on scene for several hours until relieved by officers from Wimbledon Police. Met police officers commended their rapid response and professionalism."

There have been no arrests.