Police are investigating the sudden death of a 20-year-old man in Banbridge.
He was found at a house in the Cline Road area around 6.30 on Friday evening.
Another man in the house was taken to hospital, where he is said to be in a stable condition.
A PSNI spokeswoman said they were awaiting the results of a post mortem examination as well as toxicology and other tests.
She added that the investigation was at a “very early stage”.