Police are investigating a case involving several vehicles hit by gunfire outside a nightclub. Anniston police responded to shots being fired outside Club Empire around 2:30 Sunday morning. When officers arrived they found four vehicles had been hit. No injuries were reported. Captain Curtis McCants says no witness have come forward with information. Investigators have learned there was an argument inside the club but it is still uncertain if the altercation is linked to the shots. Police are asking anyone with information to contact the Anniston police department.