Mario Williams, 58, of Roberts Street, was charged with first-degree reckless endangerment, second-degree threatening, breach of peace and carrying a firearm under the influence of alcohol or drugs, police said.
Officers were called to the market around 5 p.m. on a report of a dispute in the store, police said. Once there, the neighbor said Williams was arguing over neighborhood issues and pulled a firearm and pointed it at him, police said.
Williams, who was still on scene, had a handgun and was under the influence, police said.
He was released on $2,500 bond and is scheduled to appear in Derby Superior Court on April 24.
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