Griswold — State police are investigating a burglary that occurred early Thursday morning at the Valero gas station at 832 Voluntown Road.

Police responded to a burglary alarm at the business at 1:57 a.m. Thursday and found an unsecured window and empty cash registers. The store owner confirmed the burglary and determined $490 was missing.

Surveillance cameras revealed three suspects were seen leaving the scene on foot. All three were wearing long pants and hoodies and masks. Two were wearing yellow gloves and one was wearing red gloves.

Anyone with information should contact Troop E in Montville at (860) 848-6500.