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- Former 'American Idol' star Jimmy Levy's bag caught fire while his JetBlue flight sat at the gate.
- Flight crew quickly doused the flames with water and the plane was evacuated.
- Levy said he was told a portable battery inside his bag had caused the fire.
Former "American Idol" star Jimmy Levy said his carry-on backpack exploded into a "ball of fire" as he sat waiting for his JetBlue flight to take off from New York's John F. Kennedy International Airport, forcing an evacuation of the airplane.
JetBlue said the incident, which is still under investigation, was caused by an electronic device inside Levy's bag malfunctioning.
Levy said he suffered a minor burn to his thigh.