Two excavators and a digger were damaged in the incident.
Gardaí are investigating criminal damage by fire, that occurred late on Thursday 18th May 2023 at a building site in the Monksland Industrial Estate in Athlone, County Westmeath.
Two excavators and a small digger were significantly damaged during the course of this incident.
The fire was extinguished by local fire services. The scene was preserved and a technical examination was conducted.
Gardaí are appealing for any witnesses to this incident to come forward.
Any road users who may have camera footage (including dash-cam) and were travelling on the M6 motorway east-bound between Ballinasloe and Athlone on Thursday 18th May 2023 between 11pm and midnight are asked to make this footage available to Gardaí.
Anyone with any information is asked to contact Athlone Garda Station on 090 649 2600, the Garda Confidential Line on 1800 666 111, or any Garda Station.