Teen stabs 22 at Pittsburgh-area high school

Alex Hribal, the suspect in the multiple stabbings at the Franklin Regional High School in Murrysville, Pa., is escorted by police to a district magistrate to be arraigned on Wednesday, April 9, 2014, in Export, Pa. Authorities say Hribal has been charged after allegedly stabbing and slashing at least 19 people including students in the crowded halls of his suburban Pittsburgh high school Wednesday. (AP Photo/Keith Srakocic)
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