Graduation ceremony disrupted by bomb threat

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A graduation ceremony at a local school was disrupted Thursday evening while police investigated a threat.

Parents and students had to leave the building after a bomb threat during the eighth grade graduation program at Morristown Junior and Senior High School.

Shelby County sheriff's deputies called in Indianapolis Metro Police explosives experts to assist in a search of the building.

Students and parents were allowed back inside the school once police gave the all clear.

An investigation into the origin of the threat is underway.