Fair use, from the BBC (https://www.bbc.com/news/world-europe-65599302):
The article concludes:
Travellers on an intercity train in Austria were startled on Sunday when a recording of an Adolf Hitler speech was played on board. Instead of the normal announcements, a crowd could also be heard shouting "Heil Hitler" and "Sieg Heil" over the train's speaker system. The operator said there had been several such incidents in recent days.How, why , would anyone hack into internal communications to do this?
The article concludes:
[Railway official] said another passenger remarked that when other countries had technical problems, it involved the air conditioning breaking down. "In Austria, the technical problem is Hitler."