Gardaí investigating an assault which occurred at Fairview Strand, Dublin 3, on Monday, June 7 have arrested a second man, aged in his 20s.
He is currently at Clontarf Garda Station under Section 4 of the Criminal Justice Act 1984.
The man was arrested today and remains in Garda custody.
Gardaí are appealing for anyone with information to contact them at Raheny Garda Station on 01 666 4300 or the Garda Confidential Line on 1800 666 111.
At 11:10pm on Monday, Gardaí received a report that a man had been assaulted by a number of individuals on Fairview Strand.
A male in his 60s was discovered unconscious and was taken to the Mater Hospital to be treated for serious injuries.
A male in his 20s was arrested at the scene.