Gardaí in Co Waterford are investigating a suspected arson attack on a number of vehicles used by a company employed by Irish Water.

Emergency services were called to the scene of the blaze at the compound on the Lacken Road shortly before midnight last night.

Two trailers and two mini-diggers were damaged in the attack.

A technical examination of the scene is ongoing.

Gardaí are appealing for anyone with information to come forward.