A teenager traveling to Melbourne is charged after allegations of threatening to kill airline crew and passengers during a flight from Bangkok to Australia. According to reports, the teen shouts at and abuses staff and other passengers during the journey. The incident escalates when he barricades himself inside a toilet onboard. Crew and passengers respond as the situation unfolds, and the flight later continues to Melbourne, where authorities take over. The reports describe the teen as threatening to kill people on the aircraft, leading to the matter being referred for criminal charges. The charging details have been reported, but the specific charges and legal proceedings are not outlined in the available summaries. The allegations are presented as claims by authorities and/or media, and the reports do not indicate whether the threats were acted upon. The incident highlights security and passenger-safety concerns in-flight, particularly when a passenger restricts access to himself while making alleged threats.