A man in his 20s has died following a road crash in Co Down, police have said.
Another man in his 20s and a man in his 80s are in a critical condition following separate road collisions over the weekend across Northern Ireland.
Police received a report of a single-vehicle crash on Saturday evening involving a blue Vauxhall Corsa in the Carryduff Road area of Temple, Lisburn.
The passenger, aged in his 20s, died at the scene.
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The driver, also in his 20s, sustained injuries not believed to be life-threatening.
The Carryduff Road was closed overnight to allow for further enquiries but has since reopened.
Police are appealing for witnesses.
Meanwhile, the emergency services attended the scene of a two-vehicle collision on the Ballygawley Road, Dungannon, just after 9.20am on Saturday.
The drivers of both vehicles were taken to hospital for treatment to serious injuries.
One of the drivers, a man aged in his 80s, remains in a critical condition.
Separately, police are appealing for information and witnesses following a collision in the Donegall Road area of south Belfast at 12:30 on Sunday morning.
A report was received that a pedestrian in his 20s had collided with a vehicle. He remains in a critical condition in hospital.