escalated and happened not far from where president obama and more than 50 world leaders were juggling issues facing afghanistan and nato. the city s top police officer blames a small group of troublemakers. if there was a group of what we commonly refer to as the black bloc folks who kind of rallied together, they put their masks on and found out from the crowd they would charge the stage and try to break through and assault our cops. that exactly what happened. they rallied, charged the cops and assaulted the officers. we responded, so far today we re up to 45 arrests today. and tonight cnn s paul vercammen is live down there in the crowd or where the crowd was earlier. what happened out there? who did what to trigger the mess? reporter: when you re looking at it from the inside out it s difficult to determine if there was one flash point as the superintendent said, he believed that the black bloc protesters were going to charge the stage, that s when it became clear
but we begin in chicago. riot police are bracing for more of this. demonstrators say the havoc they unleashed this weekend is only the beginning and vowing more chaos today outside the summit of the military appliance. president obama is there rallying support for the nation s planned exit from afghanistan. the president due to speak at the top of the next hour. the same time occupy protesters plan to launch their next round of demonstrations. chicago police say they are ready. cnn s ted rowlands was in the middle of the weekend chaos and he is gearing up for today s chaos as well. hi, ted. reporter: good morning, carol. they were at it until after midnight overnight. more than 40 arrests for protesters and several injuries as well. some protesters were injured. some police officers were injured according to the chicago police department. four officers were injured. one of them apparently stabbed in the leg. the video from yesterday is jarring. you can see the officers
about 2,500-strong when the outburst happened. the city s top police officer blames a small group of troublemakers. it was a small group that kind of rallied together. they put their masks on. and we had intelligence from the crowd, that as soon as the ceremony was over, they were going to try to break to the stage. and that s exactly what happened. they rallied. they charged the cops. and they assaulted the officers. we responded. so far today, we re up to 45 arrests today. tonight, paul was down in the middle of it. what happened out there today? who did what to trigger this mess? don, when you re looking at that from the inside-out, it s tough to determine if there was one flash point. as the superintendent said, he believed that the black block protesters were going to charge the stage. that s when it became clear there were too many people in one, small space. many of them trying to go in different directions. the organizers of events who had thrown their medals in
first, a super moon. now a solar eclipse. the amazing photos and what the universe has in store next. good evening, everyone. today we saw it. american police officers shut down a demonstration. several were hurt. a few dozen arrested and the prediction of possible violence from the nato summit came true. they were loud but uneventful then it happened. something or somebody made all hell break loose. watch. chicago police say the crowd was,500 strong when the tension escalated and happened not far from where president obama and more than 50 world leaders were juggling issues facing afghanistan and nato. the city s top police officer blames a small group of troublemakers. if there was a group of what we commonly refer to as the black bloc folks who kind of rallied together, they put their masks on and found out from the crowd they would charge the stage and try to break through and assault our cops. that exactly what happened. they rallied, charged the cops and assaulted
public. first. a supermoon. now, a solar eclipse. the amazing photos. and what the universe has in store next. good evening, everyone. today, we saw it. american police officers with sticks and shields, forcibly shut down a demonstration. the prediction of possible violence at the nato summit came true. something or somebody made all hell break loose. watch. chicago police say the crowd was about 2,500-strong when the outburst happened. the city s top police officer blames a small group of troublemakers. it was a small group that kind of rallied together. they put their masks on. and we had intelligence from the crowd, that as soon as the ceremony was over, they were going to try to break to the stage. and that s exactly what happened. they rallied. they charged the cops. and they assaulted the officers. we responded. so far today, we re up to 45 arrests today. tonight, paul was down in the middle of it. what happened out there today? who did what to trigger this mess