PITTSBURGH (AP) — Authorities say a fifteen-year-old student was arrested in the shooting death of another fifteen-year-old student just outside of a Pittsburgh school. Police say the shooting happened by the steps of Oliver Citywide Academy shortly before classes were due to start Wednesday morning. Officers say they found Derrick Harris with gunshot wounds in front of the school. He was taken to a local hospital where he later died. Another student, identified as Jamier Perry, was seen running from the scene with a gun and was arrested. Police say a firearm was found as well. A city spokeswoman said most students were still on their way to the school when the shooting happened. (Photo: WPXI)