Four people have been arrested over the murder of a man in Lisburn.
Three men, aged 28, 32 and 49, and a 28-year-old woman were arrested by detectives investigating the death of a man at a house on Coulson Avenue.
Detectives also conducted two searches in the Lisburn area and a number of items were seized.
The body of the 50-year-old victim was found on Friday night.
Detectives from the PSNI's Major Investigation Team announced on Saturday that a murder inquiry had been launched.
Detective Chief Inspector Eamonn Corrigan said the probe is at an early stage and made an appeal for information about the incident.
"The 50-year-old was found in his living room at around 8.45pm on Friday night, June 21," he said.
"A post-mortem examination will be carried out in due course to determine the cause of his death.
"Our inquiries are at a very early stage and I am appealing for anyone with information that could potentially assist the investigation to please get in touch by calling 101."