Police are investigating the sudden death of a man in his 20s in the Kenlis Street area of Banbridge yesterday evening.
Three men, one in his 40s and two in their 20s, have been arrested in connection with the death.
Two of the men were taken to hospital for treatment and as of this morning one of them remained there.
Anyone with any information is asked to contact CID in Banbridge on the non-emergency numbe,r 101.
If someone prefers to provide information without giving their details they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.