Gardaí have arrested three men over the death of former Limerick city councillor Michael Kelly, who was shot in May.
The three were held this morning under Section 30 of the Offences Against The State Act 1939 in the Limerick area, gardai said. They can be detained for up to 72 hours. The men are aged 47, 43 and 29.
Officers from the National Bureau of Criminal Investigation are spearheading the investigation.
Mr Kelly, a former criminal who later served on Limerick Council, was found with a bullet wound to his head in a bedroom of his mother's home in the city on May 14th. He died in hospital last month.
Mr Kelly, who resigned his council seat in 2002, was injured in a previous gun attack at his home. He recovered after he was shot in the stomach as he opened the front door of his house in February 2002.
The controversial alderman had more than 30 previous convictions and was a high-profile council member for three years. He was found guilty of Vat and income tax fraud after an investigation by the Criminal Assets Bureau.