A teenager is fighting for his life in hospital after being stabbed in south-west London.
The victim, 18, was found suffering a knife wound after being attacked in Balham Hill, Wandsworth, on Wednesday evening.
He was flown to hospital by the London Air Ambulance service where he remained in a critical condition.
Police were scrambled to the scene just after 6pm.
The road was cordoned off while officers investigated the stabbing.
A Met Police spokesman said: “The injured male was taken by HEMS to a west London hospital.”
“Officers from South West Command Unit investigate.”
No arrests have been made.
Anyone who witnessed this incident or has information is asked to call South West Command Unit on 101 quoting CAD6174/20MAR, Tweet @MetCC or call Crimestoppers anonymously on 0800 555 111.