1. PA School Stabbing

2. 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 Franklin Regional High School in Murrysville, Pennsylvania. He was not stopped until an assistant principal tackled him. The suspect is Alex Hribal, a sophomore at the high school where the attack took place. He was arrested on Wednesday at the scene and later charged with four counts of attempted homicide and 21 counts of aggravated assault. He was treated for a minor hand wound, jailed without bail, and authorities said he would be prosecuted as an adult. The injured, five of whom were critically wounded, were between the ages of 14 and 17 years old. Although some injuries were life threatening, all are expected to survive due to the swift reaction and bravery of a number of students, teachers, and first responders. The entire event, during which the boy ran wildly down about 200 feet of hallway, slashing away with knives 8 to 10 inches long, was over in about five minutes. Murrysville Police Chief Tom Seefeld said investigators haven't yet made sense of the mass stabbing. However, they do believe the attacks were random with no one being specifically targeted. Hribal is described as a “typical kid,” a B+ student, who everyone liked and was not from a dysfunctional family.

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