Cargo on Hong Kong Express flight to Jeju overheated and passenger injured his hand [News Channel Now] Cargo on Hong Kong Express flight to Jeju overheated and smoked, injuring a passenger's hand. Hong Kong Express said that on flight UO676 on Sunday, external luggage placed by a passenger under the seat overheated and smoked. The crew put the cargo in a fireproof safety bag and the situation was under control. The flight landed safely at 6 am local time as planned. The injured passengers were examined by ambulance crews and received further treatment after landing.