and ive nick, explain your vantage point, where you are in relationship to where arwa is and what's happening right now. >> reporter: right behind me, anderson, just as you started talking, we've seen these fired towards police for much of the night. it seems to be the weapon of choice. i'll give you a moment to listen to this. it appears to be the weapon of choice of protesters. the situation down the street closest to me, we're talking about a square here in a park. arwa, when we saw her earlier, she was on the far side. i'm on the near side. down the left, people made a substantial move and pushed a lot of armored trucks, water n cannons, pushing everybody back. in the last half hour, protesters seem to have crept back up that road. and that i think is where those fireworks were fired from. so it begs the question, what is the police strategy here? how do they intend to remain control of the territory as they push forward? we've been asking this question for much of the night. hard to really understand exactly what their final game plan is. tear gas now being released in that area. that is