Good story. I read the article and all comments trying to understand what actually caused all this panic. One comment sent me to an article in the NYT saying it was from the clapping when cheering Usain Bolt. But you mentioned an alarm going off. What was that all about? Can anyone explain?

Scary how our minds once convinced of something will do anything to make us see things differently to support the theory in our head. It’s the same as seeing faces in clouds and rocks…