Chaos ensued as an overcrowded escalator started to speed up and then abruptly stop, throwing people to the ground ...

MARTA says a "person began screaming and running, causing a stampede on the escalator that caused it to temporarily speed up and then stop suddenly." ...

Some of the victims were seen on the ground, gripping their feet, shins and other body parts.

Some of the victims were seen on the ground, gripping their feet, shins and other body parts.