Three men have appeared before the Special Criminal Court charged with membership of the IRA and other offences.
Dylan Cahill, 22, of 102 Lower Irishtown, Clonmel Co Tipperary was charged with IRA membership and possession of a 0.380 semi-automatic pistol, four rounds of ammunition and two improvised explosive devices, commonly known as pipe bombs, at Sradrine, Glenfarne Co Leitrim on 13 May.
He was remanded in custody until 9 June with liberty to apply for bail. His case will be mentioned this Tuesday.
Seamus McGrane, 59, of Little Road Dromiskin, Co Louth was charged with IRA membership on dates between 23 December 2009 and 13 May 2015 and directing IRA activities on the same dates.
He was remanded in custody until Wednesday 20 May.
Donal Ó Coisdealbha, 23, of 15 Abbeyfield, Killester, Co Dublin was charged with IRA membership and with having possession, in a personal storage locker under his control at Protector Life Sciences at NUI Maynooth, a component part for an explosive device which was described as a timing and power unit.
He was also remanded in custody until Wednesday 20 May.
While discussing bail arrangements for the three men arresting gardaí said they would not be available on Tuesday as they would be busy because of the visit of Prince Charles to Ireland.