DALLAS—Dallas police say one person has been killed and six others were injured after rival gangs shot at each other outside a nightclub.

Dallas police said in a statement Sunday that the shooting occurred after a fight broke out in a nightclub.

Police say club promoters held a function for teenagers when rival gangs created a disturbance. Security guards used mace to break up a fight, and it moved outside.

Police say they responded to the shooting shortly after 1 a.m. Sunday. They identified the person who was killed as 21-year-old Terrance Carroll. The six who were injured sought medical treatment for injuries that were not life-threatening.

Dallas police say they have arrested 21-year-old Eugene Rudd and charged him with unlawful possession of a weapon by felon.