A SNCF train conductor tragically fell to his death from a moving TGV on December 24, prompting an investigation that suggests possible suicide. The incident, which occurred near Crisenoy, caused significant disruptions to high-speed train services, affecting thousands of passengers. The railway company confirmed that automatic safety systems activated to halt the train, ensuring passenger safety. The conductor, identified as Bruno Rejony, was known for his union activism and had expressed concerns regarding personal issues, raising questions about mental health support within the industry.