Five non-EU nationals have been arrested, four in Dublin and one in Wexford, for allegedly illegally residing in the state.
They were detained by gardaí from the National Immigration Bureau under 'Operation Fern' - which targets people illegally living here, and the subject of deportation orders.
The man in Wexford was arrested during an operation in July and has since been deported.
The other four, were arrested in Dublin earlier this week and are currently in custody, pending deportation.
Speaking on Wednesday morning following the operation, Detective Chief Superintendent Aidan Minnock said: "In the past week the Garda National Immigration Bureau have conducted a number of operations under Operation Fern to remove persons from the State subject to deportation orders.
"These persons declined the opportunity to avail of voluntary return to their country of origin, following significant engagement with the Department of Justice. Having declined voluntary return they were issued with a deportation order, and are now in custody pending removal from the State.
"These operations illustrates GNIB ongoing capacity to, where necessary, take action to remove person from the State who no longer have authority to remain."
