Gardai are seeking to identify a number of youths observed in Buncrana around the time of a fire which completely destroyed a portable cabin office.
Between 8:30pm and 9pm on Thursday last, the fire was started on a site adjacent to the Parc Mor housing estate. Significant damage was also caused to three lorries.
Garda Shaun Sweeney is appealing to anyone with information to come forward:
