A 34-year-old man has been arrested on suspicion of the murder of Mark Lovell in Newry.
The 58-year-old was gunned down in the Ardcarn Park area on December 1. The killing has been linked to a bitter feud.
The arrest follows searches of properties in the Newry area this morning.
The suspect is in custody in Musgrave Serious Crime Suite at this time.
Yesterday, two men, aged 45 and 40, were also arrested on suspicion of murder.
Police 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 CrimeStoppers.
