A teenage boy is in a life-threatening condition after being stabbed on Saturday night, police have said.
Police were called to an incident on Uvedale Road, Dagenham at approximately 7.29pm.
The teen, aged 15, was found with a stab injury and was treated at the scene. He was then taken to hospital where he remains in a life-threatening condition.
Police have since launched an investigation and are appealing for witnesses.
No arrests have been made at this stage.
Witnesses and those with information that could help police should call 101 ref CAD 6527/27 Aug.