Emergency services were called late on Wednesday night to Broomhill.Road in Redbridge East London following reports that a stabbing has taken, place.
A police cordon remains in place whilst officers carry out their investigation.
Locals have been advised to avoid the area and seek an alternative location
The Met police spokesman said :
Police were called by the London Ambulance Service at 10.50pm on Wednesday, 12 April to reports of a male stabbed on Broomhill Road in Ilford.
Officers attended and found a 17-year-old injured. He was taken to the hospital for treatment; his injuries are not believed to be life-threatening.
At this early stage, there have been no arrests and enquiries continue.
Anyone with information is asked to call police via 101 quoting reference CAD 7966/12Apr.