The incident is believed to have happened between late April and early May.
Gardaí are appealing for witnesses after entry to a historical Laois site was damaged with graffiti.
Black spray-painted graffiti appeared on an archway at the entrance to the Rock of Dunamase.
The criminal damage is believed to have occurred between late April and early May.
Investigators are asking anyone who was in the area at the time to come forward.
Anyone with information can contact Portlaoise Garda Station, the Garda Confidential Line or any Garda Station.
Local Authority Urged To Tackle Littering In Laois Shopping Centres
Midlands Superintendent Pays Tribute To Departing Crime Prevention Officer
60 New Jobs For Offaly As Grant Invests €8m In Expansion
IRHA President Criticises RSA Despite Increase In Learner Permit Numbers
Revenue Seize Contraband Worth Over €306k
Gardaí Respond To Open Letter From Midlands Africa Support Groups
New Intellectual Disability Designated Centre Opens In Laois
Man Due In Court This Afternoon Over Laois Assault
Irish Peatland Society Gathering In Offaly This Week
Offaly Company Announces €8m Investment
Gardaí Appeal For Information After Sheep And Lambs Stolen In Offaly
Laois Housing Plan For 74 Homes Resubmitted After 2024 Refusal
Westmeath School Appeals For Enrolments To Retain Two Teacher Status
Mixed Fortunes For Midlands Towns In Latest Litter Rankings
Midlands Carers In Focus As National Carers Week Gets Underway
Gardaí Investigating Alleged Shots Fired In Laois
Westmeath Retail Worker Sentenced To Eight Months For Violent Assault
Two Midlands Lotto Players Win Big In Saturday Night Draw
Man Hospitalised After Serious Laois Assault
Gardaí Investigating Arson Attack on Westmeath Sports Centre