FRANKLIN TOWNSHIP, NJ - The high school was locked down for approximately five minutes due to a 15-year-old student possessing an imitation handgun, according to a news release.
Security personnel at the high school called for a lockdown at approximately 9:30 a.m. and the School Resource Officer (SRO) was called to the location, police say.
The SRO was called because an imitation handgun fell from a male student's backpack between classes, police say.
The student was taken into custody an transported to police headquarters, police say.
He was later released to his parents.
"It was quickly determined that there was no danger or actual threat to any of the students," Lt. Phil Rizzo said in a news release. "The lockdown was lifted after approximately 5 minutes and the school resumed normal operations."
There is an ongoing investigation into this incident.