Escalator worked to lift broke down and suddenly changed direction.
As a result, some people fell down the escalator, formed a stampede that led to tragic consequences.
Witnesses said the escalator suddenly began to move in the opposite direction and more than twenty passengers immediately began to fall back. People were falling on each other in the resulting stampede has suffered more than twenty people died and thirteen-year boy who was on the escalator with her father and sister, they also suffered in the accident.
