A young man is in hospital with life threatening head injuries following an incident in Erith.

Police were called at 8.11am this morning to reports of an altercation and a man seen with a knife in Bilton Road at the junction Manor Road.

A man, in his 30s, was arrested at the scene on suspicion of grievous bodily harm and is in custody at a south London police station.

The London Ambulance Service and London's Air Ambulance attended and the man was taken to a south London hospital where he remains with life threatening injuries.

Enquires are ongoing to establish the circumstances of the incident.

Anyone who witnessed the incident or has any information is asked to contact police on 101 or via Twitter @MetCC

Alternatively, Crimestoppers can be contacted anonymously on 0800 555 111.