The PSNI are investigating the circumstances surrounding the death of a man whose body was found in Co Armagh this morning.
The body was discovered in a stream in the Mourneview Street/Thomas Street area of Portadown just after 11am.
Five people have been arrested as part of the investigation.
Two 28-year-old men, a 30-year-old man, a 35-year-old woman and a 17-year-old girl are being questioned at a police station in Belfast.
Police have said they believe they know who the dead man is, but they will not be confirming his identity until a formal identification takes place and a post mortem examination is carried out.