A man has died after being stabbed in Crumlin, County Antrim.
The 21-year-old was taken to hospital after police received reports of a “serious incident” at Cairn Walk in the town at 02:50 BST on Saturday.
The man died from his injuries on Sunday morning. Another man is still being treated in hospital following the attack.
Police have launched a murder inquiry. Four men, aged 19, 24, 25 and 29, have been arrested.
Over the weekend, forensic officers carried out a detailed examination of the house and surrounding areas as well as the grounds of a nearby church.
Police have also been carrying out door-to-door inquiries in the area.