A man who was fatally stabbed outside a house in the Parkmore area of Brownlow in Craigavon in the early hours of Sunday has been named by police.
He was 46-year-old David Neill from the Craigavon area. Police made a number of arrests shortly afterwards in nearby Enniskeen.
A 36-year-old man has been released unconditionally.
Three other men aged 17, 20 and 27 were still in custody yesterday.