The boys, ages 15 and 17, turned themselves into police headquarters Wednesday night. Police believe the attack was gang-related.

Brothers, ages 17 and 15, showed up with their parents at police headquarters to turned themselves in hours after the deadly stabbing at Santa Ana High.

One student is dead and two others are injured after a stabbing occurred outside of Santa Ana High School in Santa Ana, California, according to school officials. "Our thoughts are with the family of the student who passed,