called police first then started recording.sot being chinese i was worried i would be targeted as wellasheats up, one rider gets up and walks away .and after the punches, another, steps in between the two men to try and stop them.as passengers shout to the man who got hit..it is not worth it.natsthe video stops at the union city station, when the alleged aggressor gets off the train.nats?the man who got smacked, did not want to go on camera or give his name, but did tell me, the punches did not hurt.tells me the if the woman had separated them he might have swung back.but knew he had too much to lose.nats of trainswe showed the video to other bart riders, to get their take.sot not cool at all, very not coolsot even my own kids i would not teach them to use that kind of languagesome believe a stronger bart police presence could have protected passengers.sot i have gone at least two weeks and never seen a police officerthe victim also tells me a bart official who responded to emergency calls, said the antagonist is known to bart police.and he just considers him another nuisance for riding