Police are appealing for the public's help after a man was left critically injured following a stabbing in Greenwich.
Police were called to Hevelius Close, SE10 at around 18:10hrs on Monday, 17 September following reports of a stabbing.
Officers, the London Ambulance Service and London's Air Ambulance attended.
Two men were subsequently found suffering from stab wounds.
The 39-year-old male remains in hospital in a critical condition.
The 31-year-old male’s injuries are not believed to be life-threatening.
Enquiries continue to establish the circumstances.
There have been no arrests.
Officers are appealing for anyone that witnessed the incident, or who has images or video to come forward.
Detective Constable Terry Mulcahy, of Greenwich CID, said: "‘This was a horrendous incident, the motive for which is unknown at this time.
“Anyone with information in relation to this incident is encouraged to come forward as a matter of urgency."
Those with information are asked to call 101 quoting CAD 5980/17 Sept.
Alternatively tweet @MetCC or call Crimestoppers anonymously on 0800 555 111.