The after-school fight happened in the parking lot of the Bond Shopping Center on State Road and Lansdowne Avenue around 3:30 p.m. on Wednesday, Oct. 12, according to Upper Darby police and CBS3.
The unidentified victim was being treated at a local hospital, where he is expected to survive, police said.
The Upper Darby School District confirmed to several news outlets that the victim was a student at the high school.
Police say they have identified a suspect and the incident remains under investigation.
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