A spokesman for the Met Police said: Police were called at 12:57pm on Friday, 2 December to reports of a stabbing at the junction of Peckham High Street and Rye Lane, SE15.
Officers attended along with the London Ambulance Service. A 19-year-old man was taken to the hospital with a stab wound. His condition was assessed as not life-threatening.
Two men have been arrested in connection with the incident and taken into custody.