Teachers are returning to work at the Pittsburgh-area high school where police say a 16-year-old student stabbed 22 people.
Twenty-one students and a security guard were injured in the attack at Franklin Regional High School in Murrysville on Wednesday, April 9. Four students were still in the hospital, all in critical condition, as of Sunday.
Teachers headed back to work on Monday and students and their families are invited to visit the school Tuesday before classes resume Wednesday.
Police say Alex Hribal used a pair of kitchen knives in the attack but there's no motive behind it yet. He faces four counts of attempted homicide and 21 counts of aggravated assault. His attorney is asking for a psychiatric evaluation for the teen.
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