FILE PHOTO: The International Air Transport Association (IATA) logo is seen at the International Tourism Trade Fair ITB in Berlin, Germany, March 7, 2018. REUTERS/Fabrizio Bensch 30,453 people ...

Tom Windmuller, IATA's senior vice-president for airport, passenger, cargo and security, said: "The development of an agreed optimal cabin bag size will bring common sense and order to the problem ...