A 14-year-old high school student has been arrested in Delaware County, Pennsylvania, after he allegedly stabbed another student in a stairwell during the last day of classes, according to media reports.
The victim, a 15-year-old freshman, was stabbed multiple times and suffered wounds to the back of the neck and head.
Investigators believe the two were arguing over a girl.
The suspect is expected to be charged with aggravated assault, simple assault and terroristic threats.
The victim is at a local hospital and has undergone surgery.