A motorcyclist is fighting for his life after smashing into a crash barrier on a motorway.

The 21-year-old man crashed on the A12 eastbound, about one mile west of the Green Man Interchange in Leytonstone at 12.10am on Monday (May 14).

A number of drivers stopped at the scene to be of assistance but at this stage police do not believe any other vehicle was involved.

The man, an Italian national, is living in Romford, Essex and police say his next of kin have been informed.

Detectives from the Serious Collision Investigation Unit (SCIU) are appealing for witnesses or anyone with any information to call them at Catford Traffic Garage on 020 8285 1574 or tweet @MetCC quoting reference 66/14May.