A young man was repeatedly stabbed in a frenzied broad daylight attack on a quiet road in south London.
Emergency services rushed to the scene of the incident, in Battenberg Walk, Gipsy Hill, shortly after midday on Monday.
A 20-year-old man, who was suffering from multiple stab wounds, was taken to a south London hospital by paramedics, Scotland Yard said.
Police believe he was attacked by two men.
Detective Constable Richard Mosford from Lambeth CID said: "This was a frenzied attack that has left the victim with serious injuries.
“As a result, there will be an increased police presence in the local area for reassurance.
"We would appeal for any witnesses or anyone who has information about the attack to contact Lambeth CID so we can bring those responsible to justice."
The man's injuries are not believed to be life threatening.
Anyone with information is asked to call Lambeth CID on 07785 774 447.
Information can also be reported anonymously to Crimestoppers on 0800 555 111 or online at www.crimestoppers-uk.org.
