An American Airlines flight traveling from Philadelphia to Phoenix was forced to make an emergency landing at Washington Dulles International Airport due to a fire and smoke reported inside the cabin. The incident was caused by a passenger's electronic device that reportedly caught fire, emitting smoke and prompting the diversion. The flight, identified as American Airlines Flight 357, landed safely without further incident. Authorities, including the FAA and the airline, confirmed the cause of the smoke as originating from the passenger device. The event highlights concerns about the dangers of battery fires on planes, particularly those involving swollen or malfunctioning cellphone batteries.