A car was set on fire using the device on Friday.
Gardaí are investigating after a petrol bomb was used to set a car on fire in Westmeath.
The incident occurred in the Grange Cresent area of Mullingar on Friday night.
The fire brigade attended the scene shortly after 11pm.
No one was injured but the car was completely gutted.
Anyone with any information is asked to contact Mullingar Garda Station on 044 93 84000.