[IG_Semmelweiss]

911: The twin towers also had PA system alerting office workers to stay on their floors. Because that was deemed "safe".

And this are buildings that would have gone thru regular fire drills, etc.

Those that listened & were above the ~80th floor, did not survive

[rasz]

Even more tragic - Korean disaster mv Sewol where Captain used ship PA to tell school children to stay put, then jumped into safety raft and swam away.

https://www.newyorker.com/news/news-desk/the-sinking-of-the-...