As the crowd surged down the narrow staircase, a number of children fell and were trampled or were crushed by other children. Other children, under pressure from the crowd behind them, had to climb or walk over the fallen children to escape danger.
As the crowd pressed down the narrow staircase, many children fell and were injured as they were trampled or crushed by other people.  Others had to navigate around the fallen children in order to escape the dangerous situation.