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Chaotic scene after shooting on the first day of school

Steve Ruark / AP

Tracie Bradford, of Perry Hall, Md., consoles her daughter Leah, a student at Perry Hall High School who says she was in the school's cafeteria when a student was shot there and critically wounded on the first day of classes, Aug. 27, in Perry Hall, Md.

Steve Ruark / AP

A Baltimore County police officer speaks to a parent as students are evacuated from Perry Hall High School after a student was shot and critically wounded on the first day of classes Aug. 27, in Perry Hall, Md.

Steve Ruark / AP

Parents and students try to find each other after a student was shot and critically wounded on the first day of classes at Perry Hall High School, Aug. 27, in Perry Hall, Md.

NBC News staff and news services: A student was shot Monday morning by another student on the first day of school at a Baltimore County high school, county police said.

The 15-year-old suspect acted alone and “he did not target this victim," according to a statement from the Baltimore County Police Department.

The wounded 17-year-old student was flown by helicopter to a hospital from Perry Hall High School in Perry Hall, Md. He was in critical condition at Maryland Shock Trauma Center, a hospital spokeswoman said.  Full story.