This is a neo-Nazi who had just told photographers that he would bust the camera of anybody who took his picture. Naturally, photographers took his picture anyhow, and he tried knocking a camera out of one's hands (not me). According to news reports, he is accused of hitting a photographer with a skateboard. I don't remember seeing that (just him going for the guy), but was intentionally staying back, and missed some significant details (looking through a long lens limits what you see). The police promptly detained him. He kept on acting tough and threatening, seemingly trying to go for photogs, even when being taken away. On this matter, the cops did a great job. They only interfered with criminals.
Protester Denise Ogonoski can be seen in the back seat, being taken away by police. She was taken in because she had climbed up a light pole to put up a Tibetan flag outside the Chinese consulate. One thing that concerned me after this happened, was I overheard another protester asking where Denise was taken, and the police officer didn't seem to know or care to find out.