A man used his fist to smash the window of a pub near Creeslough before driving off.
Gardaí in Milford are investigating the incident which occurred in the Derryfad area on Friday night last at approximately 8.37pm.
The man, who had not entered the premises, smashed one of the windows from the outside before leaving in a VW Golf in the direction of Creeslough.
Gardaí are urging anybody who may have travelled in that area around that time and who had a dash cam to make the footage available to them.
Milford Garda Station can be contacted on 074-9153060.