Two men remain in police custody this evening as part of an investigation into the murder of a nationalist councillor in Northern Ireland over 30 years ago.
They are being held in Antrim town for interview by detectives investigating the murder of Patrick Kelly (33) who was shot dead in July 1974 and his body dumped into a lake.
Two other men who were also arrested as part of the investigation were released today without charge.
Sources close to the investigation said some, if not all four men, were former soldiers in the Ulster Defence Regiment.
Relatives of the victim claim the UDR was involved in the murder when Mr Kelly was shot dead after locking up his bar in the village of Trillick, Co Tyrone. His car was found burned-out and three weeks later his body was discovered in a lake 10 miles away.