updating you on our breaking news out of hong kong. it is all out chaos as police and protesters face-off at a university in that city. protesters have set the main entrance on fire to keep officers from entering. they've also been hurling gasoline bomb, bricks and shooting arrows. and police are responding with tear gas and water canons and now threatening the use of live rounds. let's go to paula hancocks in hong kong for us. and it sounds like it is just really escalating there. tell us what's going on. >> reporter: well, ana, just in the last couple of minutes or so it was quite a remarkable scene. we saw dozens of protesters moving from just over there and it appears as they started running cross that road and than