(CNN) A man who opened fire and shot two police officers in a Walmart in Forrest City, Arkansas, on Monday morning is dead, Mayor Cedric Williams told reporters.

Witnesses said the suspect was "talking out of his mind" at the time of the shooting, Williams told reporters.

The officers were responding to complaints that a man was threatening people when the man pulled out a gun and shot both officers, St. Francis County Sheriff Bobby May told CNN affiliate WHBQ

The shooting occurred on the grocery side of the store, Forrest City Police Chief Deon Lee said at the press conference.

The officers who responded to the incident, Lt. Eric Varner and Detective Eugene Watlington, were not wearing body cameras at the time of the shooting, Lee said. He added, as Forrest City Police detectives, they were not required to wear police vests fitted with body cameras because their division does not require it, he said.

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