The man, described as a tall, thin black man wearing all black, came into the store around 2 a.m. with a gun and another customer in the store fired a shot at him, police told the Connecticut Post.
After the customer fired the shot, the would-be-robber fled down Front Street, added the Connecticut Post.
The suspect, who had a bandana around his face, has not been located, said the Connecticut Post.
Click here to read the Connecticut Post story.
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