Detectives investigating the murder of Mark Lovell in Ardcarn Park, Newry, on the evening of Thursday 1 December have arrested a 34 year old man today.
The arrest follows searches of properties in the Newry area this morning, Thursday 8th December.
The man was arrested on suspicion of murder and is in custody in Musgrave Serious Crime Suite at this time.
Two men aged 45 and 40, who were arrested on suspicion of murder yesterday, Wednesday 7 December remain in custody.
Detectives are reiterating their appeal for anyone with information to contact them on 101. Alternatively, information can be provided to Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org