Detectives from Croydon are appealing for information and witnesses following a stabbing in the Wandle Road car park, CR0.
Police were called by the London Ambulance Service at 22.26hrs on Tuesday, 28 February to reports of a teenage boy found stabbed in the car park near Whitgift Street.
Officers attended and found a 17-year-old boy with multiple stab wounds in a stairwell. He was taken to hospital where his condition is described life-threatening.
Detectives from Croydon CID would like to speak with anyone who witnessed the stabbing or has any information that may assist the investigation.
No arrests and enquires continue.
Anyone who witnessed the stabbing is asked to contact Croydon CID on 101 or via Twitter @MetCC
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.