now shot less than an hour ago from the same intersection. you can see protesters running as police release tear gas to disperse the group. police say they announced several times to leave before they started throwing the tear gas. reporter: i am running to the truck right now because they have just put another round of tear gas out here. they are coming along with tear gas right now. i am right by the truck. and i m trying to run away but the truck, you know what i m going to send it back to you because the gas is coming down here. everybody is running down the block. let me send it back to you. jana i know. when you re covering in situations like that it gets hard to breathe and uncomfortable. let s go back to her earlier report. reporter: one moment they were shouting at police. then explosions echoed down the street. protesters ran covering their mouths trying to get away from the stinging, burning, choking clouds that billowed and drifted down the street. fourteent