The 'dead falls' on the newscaster video here shows something is causing these people to immediately 'stop working' at all. The ones standing are really sudden events. In the few times I have passed out in my life, I had an inkling of what was coming and tried to crumple down to the floor. I had a few seconds to protect my head, etc. These people on the video look like a power switch was flipped off and they were out cold (or dead) before they hit the floor. The only one that looked like a stroke was when the two sportscasters were sitting and reporting near the end. The white guy was definitely looking like he was in middle of a massive stroke. The others looked like something else. No disorientation, just 'good night' . edit... Same way that Demar Hamlin dropped like a sack of rocks. Didn't grab his chest or anything of the sort. There something we haven t figured out yet about the mechanism killing these folks