A man received serious head injuries during the incident
A man has been arrested in connection with an alleged assault outside a nightclub in Dublin.
The incident happened outside a club at Airside, Swords in the early hours of Sunday morning.
The injured man - believed to be in his 30s - was taken to Beaumont Hospital where he is being treated for serious head injuries.
A man in his 30s was arrested this morning.
He is being detained at Swords Garda Station.
Gardaí have appealed for anyone who may have witnessed an altercation between two men outside club between 3am and 3.30am to contact Swords Garda Station on 01-666-4700.