A man, believed to be in his late teens, is in a life-threatening condition after being stabbed in Sydenham.
Police were called to Westwood Hill, SE26, at 7.12pm on Monday, August 8, to reports of a stabbing.
Here they found the victim suffering from stab wounds. Paramedics treated him at the scene and he was rushed to hospital.
A crime scene has been put in place and police were advising motorists to avoid the area.
There have been no arrests and enquiries continue.
Anyone with information is asked to call police via 101 quoting reference CAD 6336/08Aug.