I translate the video for you:
The girl cried :"ah,ah,no, no, I don't konw him.help me."
Tha black jacket man said "He hit me on the head",then hit the rapist,then the rapist fell down,and pretended to be unconscious.
The man then cursed the rapist :
"shabi"_means "foolish" or "Fuck you",etc.
then, a white vest man kicked the rapist and said "Hit the motherfucker.You dared hit me,You dared hit me" and cursed,then kicked him again.
The others blocked him,one said "enough","Don't hit him"
The rapist is british man,tourist visa.
http://v.ifeng.com/vblog/dv/201205/69732bce-c447-417f-8460-37d811f8046f.shtml