Dennis, MA (AHN) -- A local school was sent up in panic when an 8-year old student brought a genuine World War II hand grenade for the class's show and tell.

The weapon, an Mk2 grenade, was found in the backpack of a third-grade student, who admitted bringing the item to show the entire class of the Ezra Baker School

Upon learning of the grenade, the student' teacher immediately notified the principal Kevin Depin.

The event caused authorities to call for an immediate evacuation of the entire school, sending its 400 students out onto the lawn.

According to Cape Cod Today, the device was eventually identified as inert, as the explosive charge and the detonator had been removed. Also, a hole had been cut in the bottom, rendering it safe for officials to apprehend and dispose.

The student's mother was notified of the incident, and after being interviewed the family's residence was searched for other potential weapons. No others were found.

Officers reportedly decided to not press charges against the student, and that any other administrative decisions would be left to the school.

The UPI reported that letters were sent to the parents of students, reminding them to do a check of their children's bags every morning.

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