An officer who witnessed the incident, said it seemed to happen “all at once.”
“It seemed like it happened over the course of just a few minutes,” he said. “Suddenly we had several people down on the ground experiencing some type of cardiac arrest or medical episode and so we immediately started doing CPR and moving people.”. https://www.click2houston.com/news/local/2021/11/06/hfd-responding-to-reports-of-multiple-injuries-at-astroworld-festival/
Hard to say. Rap concert attendees have been trampling one another for a couple of decades.
But heart attacks in unison?
i thought the same thing at first, but they're talking about medical problems, not trauma like from crushing against the stage or trampling.