A man in his 20s has died following a road crash in Co Donegal last Saturday night, in which a teenage boy was also killed.
He has been named locally as 20-year-old Eoghán Dawson, who had been driving the car involved.
The boy, who was a passenger in the car, has been named as 16-year-old Kian Dawson from Derry city.
The two were cousins.
Eoghán Dawson had been brought to the Royal Victoria Hospital in Belfast for treatment for serious injuries following the crash, but was pronounced dead this afternoon.
It brings to 125 the number of deaths on Irish roads so far this year, up six on the same time last year.
Gardaí have said they continue to investigate the crash.
They have appealed for any witnesses to contact them at Buncrana Garda Station at 074 9320540, the Garda Confidential Line on 1800 666 111, or any garda station.
Those with dashcam footage who were travelling in the area at the time are asked to make it available to gardaí.
Writing on social media this evening, SDLP MLA, Mark H Durkan described the news as devastating.
"It is difficult to imagine the suffering of the Dawson family at this awful time, having already lost Eoghan's younger cousin, Kian.
"I have no doubt the Derry community will rally in support of the family - they will need it in the dark days, weeks, months and years ahead."
