Baltimore county high school shooting wounds 1

Police have arrested a 15-year-old student at Perry Hall High School who officials say randomly fired a gun in the school’s cafeteria on Monday, injuring a 17-year-old senior. He was tackled by a counselor.

A Baltimore County police officer speaks to a parent as students are evacuated from Perry Hall High School after a student was shot and critically wounded on the first day of classes Monday, Aug. 27, 2012, in Perry Hall, Md.  (AP Photo/Steve Ruark)

A Baltimore County police officer speaks to a parent as students are evacuated from Perry Hall High School after a student was shot and critically wounded on the first day of classes Monday, Aug. 27, 2012, in Perry Hall, Md. (AP Photo/Steve Ruark)

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