LONGWOOD, Fla. -- An eighth-grader who was shot and wounded by a SWAT team officer on school campus after he pulled out a pellet gun that resembled a real weapon was identified Friday night, according to Local 6 News.

Investigators said Chris Penley, 15, was shot by an officer after he raised a modified pellet gun at deputies.

Earlier Friday, students at Milwee Middle School on 1341 South Ronald Regan Blvd., near Longwood noticed what appeared to be a Beretta gun in Penley's backpack at about 9:30 a.m. Friday.

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The two students confronted the 15-year-old and a fight broke out, officers said. The two students then told a resource officer.

When the officer confronted Penley about the gun, he fled and was eventually cornered near a bathroom on campus.

"During the situation the student said he was going to kill himself or die, one way or another," Seminole County Don Eslinger said. "Deputies attempted to establish dialog. He raised a firearm and lethal force was used by the sheriff's office. He was suicidal."

Eslinger said that the pellet gun was modified to look like a real gun and that the deputy who cornered the boy decided to shoot after the student raised the gun in his direction.

Penley was transported to a hospital with life-threatening injuries. He was on advanced life support Friday at 4 p.m., Eslinger said.

Students, teachers and school staff members were evacuated after the shooting, deputies said.

No one else was injured.

Eslinger said he was not sure of the boy's motive.

The Florida Department of Law Enforcement is investigating.

Watch Local 6 News for more on this story.