On 12/10/19, at approximately 5:30 p.m., four masked men robbed a jewelry store at gunpoint. One of the subjects was armed with a handgun and ordered customers to the floor. At least one of the subjects smashed display cases with a hammer. The subjects were last seen fleeing in a dark-colored car. Last month, another jewelry store was robbed in National City, CA. In that incident, four subjects committed a smash & grab. The subjects in that incident also escaped in a black sedan. If you have any information regarding these incidents, please call the Jewelersâ€™ Security Alliance at 212-687-0328.