Story highlights Two people are listed in serious condition

Police say the shooting is not terrorism-related

(CNN) Twenty-eight people were wounded early Saturday as gunfire rang out during a concert at a nightclub in Little Rock, Arkansas, police said.

All but three were shot and the others suffered related injuries at the Power Ultra Lounge in the Arkansas capital.

Two people are listed in critical condition, Police Chief Kenton Buckner said Saturday afternoon, and the others had non-life-threatening injuries.. Victims ranged in age from 16 to 35, he said.

Officials believe the shooting is related to gang activity, Buckner said.

"We do not believe this was an act of terror," he said. "Some sort of dispute ensued."

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