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A girl, 14, sitting in a nearby car at the time, was struck in the head by a stray bullet, public information officer Karen Smith said.
"She is probably not going to make it," Smith said. "She's brain dead."
Another child in the car was injured by flying glass. He was transported to the hospital in stable condition.
"The 30-year-old male Hispanic victim shot in each arm was the intended target." Smith said. "Police believe it was gang-related. "We have someone in custody. There is still an active scene going on."