After the state Senate passed anti-union measures, protesters swarmed the Capitol. But because of a judge’s order that the building be closed after 8pm, police were required to try and stop them. They tried. And because of the aggressive manner of the protesters, eventually failed.
Below is video taken by the conservative MacIver Institute of protesters who had already seeped into the building making a mad, Trojan horse-style run for the front doors to let in other protesters. Police quickly stepped in to try and stop the flow. It got physical: