A man in his 60s was left unconscious after being attacked by a group of indviduals in Dublin.
The incident occurred at Fairview Strand in Dublin 3 last night shortly before midnight.
Gardaí were called to the scene after 11pm following reports that a group of individuals were assaulting a lone man.
Gardaí found the victim unconscious upon arrival at Fairview Strand.
The man was immediately taken to the Mater Hospital where he is being treated for serious injuries.
A man in his 20s was arrested at the scene and is currently being detained at Clontarf Garda Station.
Gardaí have said investigations are ongoing.