building, being surrounded by 100, 200 police in riot fear. speakers have moved in. moments ago, the police moved in unison. there is a sense something is going to happen. we don't know what happens next, but this is another dramatic event on top of a dramatic day and night of protests and police action. a few hours ago earlier, the hong kong legislative complex building, we saw that footage of hard core protesters clashing with police. according to a hong kong police spokesperson, told cnn that protesters used the metal barricades to attack the police and the police responded with pepper spray, as well as with batons. we also learned that at least two police officers were injured. they're seeking treatment. there are also reports that protesters were also caught up in the mix. they were injured, as well as journalists. this follows what was and had been a peaceful day of mass protests here in hong kong. at issue, this proposed extradition legislation that