Police are investigating a collision involving a moped and are appealing for further witnesses.
The blue 500cc Yamaha moped collided with a fence in Cowper Avenue in Tilbury shortly before 5.35pm on Thursday March 12.
The rider, a 24-year-old man from Tilbury, was taken to hospital with a serious leg injury. He remains in hospital.
It is believed the same moped failed to stop for officers prior to this collision at another location in Tilbury.
Anyone who saw the moped before the collision is asked to contact the Serious Collision Investigation Unit on 01245 240590 or email [email protected].
Alternatively, contact the Crimestoppers charity anonymously on 0800 555 111 or use the anonymous online form at Crimestoppers-uk.org