The Dallas Police Department charged a 15-year-old with aggravated assault in the Jan. 11 shooting at a basketball game.

An 18-year-old was seriously injured in the shooting, which happened in the third quarter of a game between South Oak Cliff and Kimball high schools at the Ellis Davis Field House. A Dallas ISD police officer also was grazed by a bullet when she tried to confront the shooter.

The suspect turned himself in Sunday.

DISD spokeswoman Robyn Harris says the shooting broke out during a fight.

Since then, the district has implemented new security measures for events, and the two schools finished their game.