A teenage girl is fighting for life in hospital after a moped crash in which her boyfriend was also hurt.

Both were riding on the red vehicle when it ran out of control on the A24 Warren Road, Worthing, at 1am on Saturday.

The girl, 15, was transferred from Worthing Hospital to Southampton Hospital where she is in a critical condition with serious head injuries.

The boy, 16, also from Worthing, remains in the town where he is being treated for facial injuries.

Police said the pair appeared to have lost control of the machine. It is not known who was driving.

No other vehicle is believed to have been involved.

Anyone with information should call Chichester traffic police on 0845 6070999.