Airline Reveals Cause of Terrifying Cabin Smoke Emergency

Charly Triballeau/AFP via Getty Images Smoke that filled the business class cabin of a Swiss International Airlines plane and forced an emergency landing was caused by damaged headphone case, the airline said. Flight LX16 had been traveling from Zurich, Switzerland, to John F. Kennedy International Airport in New York on Monday, but was forced to make an unscheduled touchdown in Bangor, Maine. After landing, technicians found a headphone charging case had slipped between two seats, where it had…