Two men have been killed in a road crash in Co Donegal.

The two-car collision happened on the N15 at Liscooley near Castlefinn at around 10pm on Friday night.

The two men, both aged in their 30s, were in one of the vehicles involved.

A woman and a man, both aged in their 70s, who were travelling in the second car were taken to Letterkenny Hospital for treatment to serious injuries.

A second woman, aged in her 30s, was treated for non-life threatening injuries.

The road remained closed on Saturday morning to facilitate an examination by Garda Forensic Collision Investigators.

Gardai are appealing for any witnesses to the collision to come forward.

They are also appealing for any road users who may have camera footage, including dash-cam, who were travelling in the area at the time of the crash to make the footage available.