He tried to push his way past the cops and you think we're Libya now?
Even in places that are not Libya you can't try to bull rush the cops.
I watched the video again. Where do you see him pushing his way past the cops? I see the cops beating him across the room. My understanding is that a judge barred entry into the building by protesters, not legislators. Milroy was going in to get a change of clothes and was attacked before he could show his state ID.

Slow motion video: