Three quizzed over armaments find
Detectives investigating dissident republican activity are questioning three people about the discovery of explosives and firearms.
The finds at two separate locations in Co Galway have been linked to the Real IRA.
The explosive material was found in an outbuilding during a raid on land at Monivea.
A follow-up search at a farmhouse in the grounds turned up a handgun and three shotguns which were also seized.
Gardai arrested a 48-year-old man at the scene. He is being held under the Offences Against the State Act at Galway garda station.
A garda source said the weapons and commercial explosives were believed to be intended for a dissident republican group, thought to be the Real IRA.
Army bomb experts were called out to remove the explosive material.
In a connected raid, gardai recovered a firearm at a house in Tuam.
A man and a woman in their 40s were arrested under the Offences Against the State Act and are also being detained at Galway garda station.
The explosives and firearms were taken to Garda Headquarters for forensic examination.