Two men and a woman, all in their 30s, were arrested this afternoon at a premises on Ulster Street in the Phibsboro area of Dublin as part of on-going investigations into the activities of dissident republican groups.
A number of suspect devices were found at the premises and a team from the Army Explosive Ordnance Department (EOD) were called in to make them safe.
Two of the three are being held in Blackrock garda station and the other is being held at Donnybrook garda station under Section 30 of the Offences Against the State Act.