The Nodaway County Sheriff’s Department said a tragic school shooting has been prevented at North Nodaway High School.

“We had an attempted school shooting yesterday,” Sheriff Darren White said. “We were very lucky, we’re fortunate we had young people that when they got wind of it that they went to staff members, they went to the principal and they made him aware that they thought this student had a weapon and they thought he was a real threat and the principal took action and everybody did their part.”

Authorities responded to the high school in Hopkins, Mo. around 11:30 Monday morning.

“He thought that he was being bullied and he had a list of students that he was not going to be bullied by anymore,” White said. “He was ready to go.”

White said a handgun was found in the student’s locker.

A 15-year-old has been taken into juvenile court custody and is currently being held in the investigation.