Two motorbike riders have been seriously injured after they came off their bike in Hetton-le-Hole.
One of the men is fighting for his life after the collision at 10.18pm on Tuesday at the roundabout at at Four Lane Ends and Colliery Lane.
Police are now trying to establish why the two men came off a Yamaha motorcycle and are appealing for any witnesses.
A 39-year-old man suffered serious injuries to his pelvis and his condition is currently described as life-threatening.
A second man, aged 31, suffered serious injuries to his leg and arm.
Both men remain in hospital.
Emergency services were at the scene on Tuesday night and investigation is ongoing into the collision.
Police are now eager to hear from anybody who was travelling in the area at the time to come forward.
Sergeant Alan Keenleyside, of Northumbria Police ’s motor patrols team, said: “This was a very serious collision that has left both riders with very serious injuries.
“Their next of kins have been notified and both men are currently receiving treatment in hospital.
“Our inquiries into the cause of the collision are ongoing and I would urge anybody who witnessed this collision, or who was travelling in the area at the time and may have dash cam footage, to come forward.”
Anyone with information is asked to contact 101 quoting reference 1186 070519 or Crimestoppers anonymously on 0800 555 111.
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