Police are appealing for witnesses after a suspected assault in Greenwich left a man hospitalised with serious head injuries.

London Ambulance Service and Police arrived at 2.15am last Saturday (February 17) to reports of a man lying unconscious in Greenwich High Road.

The victim was a man in his 30s who was taken to a south London hospital for treatment.

He remains at the hospital where he remains in a critical condition.

Met Police has said at this early stage they believe the victim was assaulted by a group of men, but at this stage no arrests have been made.

Anyone with information is asked to contact Greenwich CID on 020 8284 9543 or call Crimestoppers anonymously 0800 555 111.