Gardaí have arrested a man in his 30s as part of an investigation into the alleged harassment of the Taoiseach at his home on May 2nd.
The man was arrested in Wicklow on Tuesday and was held in a Garda station in the county.
He has since been released without charge.
A file will be prepared for the Director of Public Prosecutions.
A number of people have already been questioned about the incident.
Gardaí say investigations are ongoing.
