As two of the robbers fled with the cash, they opened fire in the direction of the owner, Parshuram Arjune, who rushed to the scene after he was alerted by guards.
A third robber was caught by security guards on duty and handed over to police.
The incident occurred about 5 AM.
A Caribbean News Desk reporter, who was on the scene, was told that the robbers cut a fence and climbed a stairs at the side of the building to the upper flat of the building. There, they entered the supermarket’s main office from which they stole the money and other valuables.