Detectives are appealing for information and witnesses after a man was assaulted in Deptford.
Police were called shortly before 02:30hrs on Tuesday, 8 August, to a fight in Bestwood Street, SE8.
A 39-year-old man was taken to hospital by London Ambulance Service suffering head injuries. His condition is described as critical.
Detectives from Lewisham CID are investigating.
Officers believe that the male suspect had been driven to Bestwood Street near the junction with Evelyn Street, SE8 in a blue car moments before the assault.
The suspect ran off on foot along Bestwood Street after the incident.
There has been no arrest at this early stage.
Anyone with information should call Lewisham CID via 101 or via Twitter @MetCC
To give information anonymously call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org