Two people being held in connection with the fatal shooting of a man at a house in Tipperary on Sunday night have been released without charge.
But gardaí are continuing to question four other people over the murder of Eoin Cahill (25), father of one, who was shot and killed when two armed men burst into the house three miles from Clonmel.
The three men and one woman are being are being held at Clonmel Garda Station under Section 30 of the Offences Against the State Act and can be detained for up to three days.
A second man was shot in the arm in the attack, which gardaí believe may relate to a drugs feud between rival gangs.
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Gardaí believe the two gunmen had an accomplice or accomplices in a waiting getaway car.