An Allegiant plane was evacuated after a flight attendant found a threat on a bathroom door, according to Pinellas County Sheriff Bob Gualtieri.

Allegiant passengers onboard a flight that was supposed to head out of St. Pete-Clearwater International Airport Friday evening was quickly deplaned after the crew found a written bomb threat. Genevieve Curtis reports.

CLEARWATER, Fla. - A written bomb threat discovered on an Allegiant Airlines flight at St. Petersburg-Clearwater International Airport (PIE) prompted an immediate evacuation and grounding of all airport traffic this afternoon.