China Airlines Flight 120 was a regularly scheduled flight from Taiwan Taoyuan International Airport in Taoyuan County (now Taoyuan City), Taiwan to Naha Airport in Okinawa, Japan. On August 20, 2007, the Boeing 737-800 aircraft operating the flight caught fire and exploded after landing and taxiing to the gate area at Naha Airport. Four people—three from the aircraft and one ground crew—sustained injuries in the accident. The fire had been caused by a loose bolt puncturing a fuel tank.