The video is only 78 seconds long, barely enough to establish the

The video is only 78 seconds long, barely enough to establish the nationalities of the two young club-goers in the frame and the third holding the camera. But what it shows is so disturbing, so charged with deeply sensitive issues of gender and race, that in the week since it was posted to Facebook it has generated a growing debate on the Korean Web and even coverage in the South Korean press.

The two bullies find the woman slumped over a couch, drunk in a nightclub, and decide to have some mean-spirited fun.