Police were called by London Ambulance service at 6.15pm after a teenager was found with stab injuries in #Woolwich New Road.
The 17-year-old boy has been taken to hospital.
Police await an assessment of his condition.
No arrests at this early stage.
Enquiries into the circumstances continue.
Anyone with information that could assist police is asked to call 101 ref CAD 6524/27 Nov.