Portlaoise fire service.
Laois County Fire and Rescue service were called to an incident in Portlaoise on Friday night, November 3.
The fire service has confirmed to the Leinster Express that it was called to a fire at the derelict St Paul's school building on the Borris Road, Portlaoise at 21:36.
Portlaoise fire crew responded to the incident and said that there were signs of unauthorised access.
A number of small fires had been lit in the school building coming towards the end of the midterm break.
No injuries occurred.
Gardai are investigating the cause of the fire.