A man in his 30s died overnight after the car he was driving left the road and entered the Royal Canal.
Gardaí and emergency services were alerted to the incident shortly before 6am this morning.
The man's body was taken from the car at Allenwood, Naas, Co Kildare. The road was closed to facilitate an investigation and diversions were put in place.
Gardaí have appealed for witnesses and anyone with information to contact Naas Garda Station on 045-884300 The Garda Confidential Line, 1800 666111 or any Garda Station.