A man in his late teens was found with ‘multiple stab wounds’ in Camberwell on Tuesday night.
Police were called to Camberwell New Road at around half seven in the evening, along with paramedics, after reports of an attack.
The victim was taken to hospital where his condition is believed to be ‘non life-threatening or changing’.
At the time of going to press, police had made no arrests and said enquiries were continuing.
Anyone with information should call police on 101 or Crimestoppers anonymously on 0800 555 111.