INDIANAPOLIS -- A destructive prank perpetrated at businesses across the country came to an Indianapolis fast food joint this week.

Employees at the Jack in the Box on Post Road say someone called claiming to be a public safety official saying the store needed to do a safety inspection.

As the employee tells it, the caller asked her to lift the fire alarm handle to read a number from the box.

Once she followed orders, they told her the system was releasing carbon monoxide into the air and urged everyone to get out.

Seconds later in the parking lot, the caller said the worker needed to break the exterior windows to relieve pressure in the building, or else it could blow up.

The terrified employee says she used rocks to shatter the glass. It wasn't until later she realized she was the butt of a prank call.

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"If you received a call like this, it is not the police," said IMPD Sgt. Catherine Cummings. "We're not going to call you. We're not going to tell you to rip items out of your business. We're not going to tell you to break windows."

Police and fire officials say any inspection would involve a public safety official being there in person.

If you do get a call like this, police say you should use your best judgment about whether to leave the store, and call 911 as soon as you can.

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