down the stairs.At that point, he was surrounded by a group of men, including a security guard, an Eslite store employee and several male customers who said they were morally outraged about the incident.They zeroed in to tackle the tourist, putting him in a headlock and placing his hands and legs in lockholds.One witness said: ???The Japanese man kept shouting, ???I-tai, i-tai, i-tai??? [???painfu