On Wednesday, 21 October, police were called to an east London hospital after a 17-year-old male attended the hospital for treatment to a single stab wound to the abdomen.
The assault happened at around 19:50hrs in Wilbury Way, Edmonton, as he walked home from Wilbury Park.
He was later discharged.
Anyone who witnessed the incident or has information to the assault should call DC Andrew Reason at Enfield CID on 0208 345 3311 or 101, quoting reference 5222579/15.
Alternatively, to remain anonymous, call Crimestoppers on 0800 555 111.