A man attacked outside a night club in Swords at the weekend has died in hospital.
This assault happened when a fight broke out near the Wright Venue.
Emergency services were called to the scene at around 3.40am on Sunday morning.
34 year old Chris Fitzgerald was found with serious head injuries and was rushed to Beaumont Hospital.
Gardai have confirmed he has lost his fight for life. His body has been removed to the City Mortuary where a post mortem examination will take place.
Yesterday morning a man his 30s was arrested and taken to Swords Garda Station. He can be held for questioning for up to 24 hours.
Detectives have renewed their appeal for witnesses.
In particular they would like to speak anybody who may have witnessed a row between two men outside the night club between 3.00am and 3.30am.