A man is in a critical condition after he sustained serious head injuries during an assault.

Police are appealing for witnesses after the 26-year-old man was found lying in Montrose Gardens, Mitcham on June 14 with severe head injuries.

Police said there was an altercation in the street with one or more men, who then ran off towards Western Road.

Police were called by the London Ambulance Service at 7.24pm and the man was taken to hospital where he remains in a critical condition.

Anyone with information is urged to call police on 101 quoting reference CAD 8637/14 June, or to remain anonymous, call Crimestoppers on 0800 555 111.