Two young men have been killed and another young man seriously injured in a crash in Co Donegal.
The collision, involving a lorry and a car, occurred on the R236 in St Johnston at around 11.15pm last night.
A passenger in the car, aged in his late teens, was pronounced dead at the scene.
A second passenger, also in his late teens, was taken to Altnagelvin Hospital in Derry where he later died.
The driver of the car, a man also aged in his late teens, was taken to Altnagelvin Hospital and later transferred to Royal Victoria Hospital in Belfast with serious injuries.
No other injuries were reported.
The two young men who died have been named locally as Daniel Cullen and Caoimhin Porter-McLoone from the Shantallow area of Derry city.
A priest described what happened as "very, very shocking".
Fr Damien Nejad said he received a call at around 1am.
He told RTÉ's News at One that he said a prayer over the body of one of the men in the car.
Fr Nejad said he subsequently learned that a second man had died, while a third was seriously ill in hospital.
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Cathaoirleach of Donegal County Council, Councillor Paul Canning, said there was a sense of numbness following the crash.
"The county and the local area are in shock. There's a numbness in St Johnston and the greater area as it’s so close to Derry.
"Everybody is numbed in the north west as this tragedy that has taken two lives of young people is terrible.
"On behalf of the people of Donegal, we want to offer our condolences to all the people involved and the parents and the family of the deceased young men.
"Our prayers are with the young man who was seriously injured. I would like to also thank the [emergency] services who attended the scene," Cllr Canning said.
Foyle MP Colum Eastwood said the three young men were from the same area of Derry city and were well known.
The community is in shock and thinking of and standing with their families, he added.
MLA Mark Durkan said Derry city has been engulfed with a sense of shock, sadness and grief.
Meanwhile, Cathaoirleach of Donegal County Council Paul Canning said that there is a sense of numbness in the north west.
He said that peoples' prayers are with the families and friends of the bereaved and the young man who is in hospital.
The R236 in St Johnston is closed for an examination by Garda Forensic Collision Investigators, with diversions in place.
Gardaí are appealing to witnesses, particularly any road users who were travelling in the area between 10.45pm and 11.45pm and who may have camera footage (including dash-cam) to contact Letterkenny Garda Station on 074 9167100, the Garda Confidential Line on 1800 666 111, or any garda station.
The men's deaths bring to three the number of people who died on Irish roads yesterday, following the death of a man in his 50s in a collision between a motorcycle and a lorry in the Riverstown area of Co Sligo.
A total of 25 people have died in road crashes in Ireland this year.
