Update: Police appeal for witnesses to overnight crash in Derry

Police in Derry are appealing for witnesses following a serious road traffic collision on the Clooney Road last night.
The road remains closed this morning with diversions in place.
In a statement Inspector Mark Knowles said that police received a report of a one-vehicle road traffic collision close to the Enagh turn-off, between the Gransha roundabout and the Maydown roundabout, involving a silver-coloured Renault Clio at around 9:45pm.
A female, aged in her 20s and who was a passenger in the car, sustained injuries to her head and neck and was taken to hospital where she remains.
A male, aged 18, was arrested on suspicion of a number of driving related offences and remains in custody, helping police with their enquiries.
Police are appealing to anyone who was on the Clooney Road last night around the time of the collision and witnessed the collision, or who saw the vehicle travelling on the Clooney Road, to contact police at Strand Road on the non-emergency number 101.