A motorcyclist is in a critical condition in hospital after crashing into a central reservation in Wallsend.
An investigation has been launched after the 38-year-old man collided with the barrier on Addington Drive on Saturday.
Police are now asking anyone who may have dash cam footage to come forward.
He was travelling on the road at around 6.45pm when the collision occurred.
Emergency services attended the scene and the sole rider of the motorcycle was taken to hospital with life-threatening injuries.
He remains in a critical but stable condition while police carry out enquiries to establish the circumstances around the collision.
Inspector Pinner Rana, of Northumbria Police’s Motor Patrols Department, said: “This is a very serious collision that has left a man in a critical condition in hospital with a number of serious injuries.
“We are supporting his family at this difficult time but we need to find out exactly what has happened that has caused this collision.
“Specialist collision investigators have analysed the scene of the crash but we are now appealing for help from the public.
“In particular we are keen to speak to anyone who was driving in Wallsend on Saturday who may have witnessed the collision take place.
“We are also very keen to speak to anyone who has a dash cam and may have captured the motorcyclist in the minutes before the incident.
“Please have a look at your footage and if anything stands out then pick up the phone and contact police.”
Anyone with dash-cam footage can submit it online at the Northumbria Police website and should quote log 1046 08/08/20.
You can also contact police by phone on 101 or by contacting independent charity Crimestoppers anonymously on 0800 555 111.