Gardaí have arrested five men in connection with a fatal attack in Co Kildare last month in which Dylan McCarthy, aged 29, from Kilmallock, Co Limerick died.
He was attacked outside a pub in Monasterevin in the early hours of August 21st.
His father was also attacked and taken to hospital and has since been released.
The five men, who are aged in their 20s, are being questioned at different Garda stations in Co Kildare.
Those detained can be held for up to 24 hours. The arrests bring to eight the number of people detained and questioned in connection with the fatal assault.