A man in his 30s, arrested following a fatal single-vehicle road traffic collision that occurred shortly after 1:30 am on Saturday at Ballynamona, Kinsale, Co. Cork, has been released without charge.
The passenger of the car died in the incident.
A file will now be prepared for the Director of Public Prosecutions (DPP).
The road at Ballynamona has fully reopened to traffic following a technical examination by Forensic Collision Investigators.
Gardaí continue to appeal for any witnesses to come forward. Any road users who may have camera footage (including dash-cam) and were traveling in the Ballynamona area between 1:15 am and 1:45 am are asked to make it available to Gardaí.
Anyone with any information is asked to contact the incident room at Bandon Garda Station on 023 885 2200, the Garda Confidential Line on 1800 666 111, or any Garda Station.
Investigations are ongoing.
For the latest Waterford News and Sport, tune into WLR News on the hour and download the WLR App for news on demand.
