Gardaí and Emergency services were called to the scene, shortly after 3am this morning.
A man in his thirties has died after being assaulted at a house in Sallins in County Kildare.
A man in his 20's has been arrested at the property and is currently detained.
Emergency services responded to a call shortly after 3.15 and found the victim with fatal injuries.
He was pronounced dead a short time later.
The body remains remain at the scene, and the local coroner and State Pathologist have been informed.
An incident room has been established at Naas Garda Station and a Garda Family Liaison Officer has been assigned to the man's family.
