Grain Valley police say school district employee mowed over homemade firework device

KANSAS CITY, Mo. — Several agencies responded near Grain Valley South Middle School on Tuesday after a school district employee mowed over an explosive device.

First responders were called around 7 a.m. to the area of W. Ryan Road and Cross Creek Drive.

When crews arrived, they located the district employee who was mowing in the area when they struck the device. The employee was evaluated as a precaution but is said to be in "good condition with no injuries," police said.

The mower sustained some damage.

A school district spokesperson confirmed no other personnel or students were on the property at the time of the incident.

"The safety and well-being of our staff, students, and families remain our highest priority," the district spokesperson said in a statement. "We are fully committed to maintaining a safe working and learning environment on all district grounds. Grain Valley Schools is working closely with the Grain Valley Police Department (GVPD) to investigate the incident thoroughly."

Grain Valley police say the explosive device appears to be an over-the-counter firework left in a homemade PVC launching device.

The Missouri State Highway Patrol and ATF also responded to the scene.

A search of the area determined there is no threat to the public.

Police said the fireworks ordinance in Grain Valley addresses proper disposal, and investigators are working to determine who may be accountable.

If investigators can identify a violation, the case may be sent to the prosecutor's office.

Residents are reminded not to create their own fireworks devices.

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