hospital at approximately 02:00hrs on Saturday, 14 November, after an 18-year-old man self-presented with a stab wound to the buttock.
Officers attended the hospital and spoke with the victim. The man received treatment to his injury and was later discharged from hospital.
Detectives from the Trident and Area Crime Command are investigating.
At this early stage they believe that the victim came across three men in Granville Street, N1, at around 19:00hrs on Friday, 13 November.
The men gave chase and when they caught up with the victim they punched and kicked him. The victim was then stabbed and the men fled the scene in an unknown direction.
Detective Inspector Glen Butler, said: “I am appealing to anyone who was in the vicinity of Granville Street prior to the incident or anyone who witnessed the assault itself to come forward and assist us with our investigation. Any information no matter how small may just provide us with the lead we require to trace and arrest those responsible for this vicious attack.”
Anyone with any information is asked to contact detectives on 020 8358 0578 or Crimestoppers anonymously on 0800 555 111.