A man found dead at a house in Banbridge, County Down, has been named as 55-year-old Richard Gerard Scullion.
Mr Scullion's body was discovered at the property at Millmount Court on Monday afternoon.
Police are treating the death as murder and are continuing to question a 28-year-old man arrested on Monday night.
Detective Chief Inspector Eamonn Corrigan said: "Earlier today we were granted an extension in relation to the suspect's detention."
Police have appealed for witnesses or anyone with information to come forward.