Mr Deacy was discovered with head injuries in the early hours of Saturday 12th August
Two men arrested in connection with the death of 21-year-old Joseph Deacy in Mayo have been released without charge.
Mr Deacy, from St. Albans in the UK, was discovered with head injuries outside a house at Gortnasillagh, Swinford on the 12th of August.
The alarm was raised at around 6am and he was taken to Mayo University Hospital. He was later moved to Beaumont Hospital, where he died the next day.
Yesterday morning, gardaí arrested two men in their 20s in connection with their investigation.
This evening, gardaí said the men had been released without charge, adding that their investigations are ongoing.