MURRYSVILLE, Pa. -- Twenty people were injured - three critically - when a teenager wielding two 8-inch kitchen knives Wednesday morning attacked students at Franklin Regional Senior High School in Murrysville. All of the injured were students with the exception of an adult security guard. The suspect, Alex Hribal, a 16-year-old sophomore, was taken into custody after being wrestled to the floor of a school hallway and disarmed by a security guard and a school administrator. The youth was taken to the Murrysville police station, where he was questioned by officers and Westmoreland County detectives before being taken to Westmoreland Hospital for minor injuries to his hands. After he was...
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