A man in his 30s has died following a single-vehicle crash in the city.
It happened shortly after 2 o'clock this morning at Constitution Hill.
The man, a motorcyclist, was taken to the Mater Hospital, where he was later pronounced dead.
Gardaí are appealing for any witnesses to come forward.
Anyone with dash-cam footage from the area around the time of the collision is asked to make this available to gardaí.
This brings the total number of deaths on our roads so far this year to 101.