Update: 6.46pm: The two men arrested in relation to the death of Joseph Deacy have been released without charge.
Earlier: Two men in their 20s are still being questioned in Mayo in connection with the death of Joseph Deacy.
The 21-year-old from St Albans in England died in hospital August 13.
He had been found with serious head injuries outside a house in Gortnasillagh near Swinford.
The men - who are both in their 20s - are being held under Section 4 of the Criminal Justice Act at garda stations in Co Mayo.