A Salvation Army disaster services vehicle drives past a school bus onto the campus of the Franklin Regional School District where several people were stabbed at Franklin Regional High School, Wednesday, April 9, 2014 in Murrysville, Pa., near Pittsburgh. The suspect, a male student, was taken into custody and being questioned. (AP Photo/Keith Srakocic) (April 9, 2014 11:12 AM)
(AP) -- Flailing away with two kitchen knives, a 16-year-old boy with a "blank expression" stabbed and slashed 21 students and a security guard in the crowded halls of his suburban Pittsburgh high school Wednesday before an assistant principal tackled him.
At least five students were critically wounded, including a boy whose liver was pierced by a knife thrust that narrowly missed his heart...
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