The group surge in Seoul that left not less than 151 folks lifeless and dozens injured is among the many deadliest episodes of its sort lately.
Anytime giant teams of individuals collect in shut quarters, there’s a threat of what specialists name a “crowd crush,” which is when a bunch is packed so shut collectively that nobody can transfer. The commonest damage and demise throughout a crowd crush is what is called compressive asphyxia, which happens when individuals are pushed in opposition to each other so tightly that their airways change into constricted.
Although officers haven’t but mentioned what might have triggered the surge or the way it occurred so shortly, Norman Badler, an emeritus professor on the College of Pennsylvania, mentioned that lots of the victims might have been trampled and suffocated beneath the burden of others.
Professor Badler, who has created pc graphics simulations of excessive density crowd surges, mentioned that the power to flee or transfer turns into harder when folks have been trampled as a result of it will probably restrict motion and block escape routes.
He additionally mentioned that victims can suffocate even whereas standing due to the extreme crowd density surrounding them.
The Facilities for Illness Management and Prevention advises these caught in a crowd crush to maintain their fingers in entrance of their chest “like a boxer” and to take care of agency footing. The company additionally mentioned not to withstand the drive of the gang, however as a substitute attempt to transfer diagonally to the sting of the gang when there’s a lull in motion. When you fall down, the C.D.C. advises to twist right into a ball to attempt to shield your self.