It's not THAT bad. There's not much blood. Worse could happen to anybody on the street and often does.
What were you watching? There was way too much blood, and it didn't happen in the street.
The guy that got beaten was only trying to demonstrate his kata, said he wasn't going to hit the guy, but the "black belt" launched into him, using the term "motherf*!%er" whilst hitting him.
No place for these people. I sincerely hope they get some sort of come uppence as they are just plain evil, that shoul dbe everyone in the room at the time.