A young man is fighting for his life after he was repeatedly stabbed on a street in south London.
The 23-year-old remains in hospital in a critical condition after the attack in Imperial Way, Croydon, on Sunday night.
Officers believe he had been at a nearby social event when people spilled out onto the street and he was attacked.
Scotland Yard is now appealing for witnesses to help find the culprit.
Assistant Detective Chief Inspector Lewis Collins said: “A young man had been left in a critical condition after being stabbed repeatedly.
"We believe there were a number of people present who had been to a nearby social event, which then spilled out onto the street.
"We would like to hear from anyone who attended this event and saw what may have led up to the stabbing.
"We also want to hear from anyone who witnessed the attack or saw anyone running from the scene.
"Anyone with information should not hesitate, pick up the phone and call police, or you can call Crimestoppers where you do not have to give your name.
"A young man has been left with life threatening injuries and I am appealing to our community to help police find those who were responsible.”
Any witnesses or anyone with any information is asked to call police on 101 or contact via Twitter @MetCC. Quote CAD 9380/28JUL
