Transcript for Police and protesters clash at G-20 summit

Hey everyone I'm on the Nevada and New York we want to take you straightaway. Live to Hamburg Germany where protests between demonstrators on the sidelines of the G-20 summit and police there have turned violent. ABC senior White House correspondent facility of the Ada is there in Hamburg traveling with president trump was of course attending. The G-20 summit scheduled to start tomorrow Cecilia tell us where you are and what you can see happening right now. One I'm inside about a hotel in Hamburg on I economic third floor looking gallon at a scene. A very tank fuel here on the ticket this city at this hour. Natalie didn't and thousands of protesters in this city streets facing off against police in right here not just plea in right here but police in armored vehicle. Driving you street really pushing up against these protesters I look how you have without their reporting. Earlier. Is it did he landed in how basically got an hour or so ago and seeing what. So tense so volatile that up my crew. And I might teen traveling with we have to come inside it's been extremely tense situation protesters have been throwing objects. At officers. And end it just there at the spirit and that that this is not going to go well. Right now it's very peaceful scene from what I can be banished what I have but we have. Heard that propaganda drought in into the evening I shortly Turkey eating water cannons on protesters and as I at. Very much a heavy police presence in the city. Hundreds hundreds of law enforcement officers in their right here. Standing guard at this hour and as an image humidity goatee Hanks and the city streets right now a very much city. A city under siege by the protestors mentally at that moment. And really we know that these kind of large international summits off and get the attention of demonstrators this is nothing new to some degree but we also know that we the people there in Hamburg were expecting. Some protesters police had talked about upping the force is on the ground about being prepared there are so many issues around the world leaders who are gathered there. For this summit how have they handled it so far what's what's been that sort of attention level between police and demonstrators. Well as you mention any it is not a usual for G-20 summit to talk about the twenty less powerful. A leader does and a powerful country in the world right here you'd expect that thousands would gather at the scene and gather it. Other G-20 summit that are Seattle and Vancouver is is not an unusual sight the FB limit act G-20 summit. Ain't your prior. And I will say that they eat from from what I can see it pure protesters who are here praying nearly protest in overall G-20 summit. But we also have seen how hurt. The name Donald Trump we seen T shirts with which is in between Tina Sox signed with his image. You know it's unclear whether he is that read and that puree and keep what specifically or he is part of this. Summit and airport he is in the collective of people. And leaders being protectant in issues obviously being purchased that is largely. What what many of these protesters are here for protesting. Capital protesting. How are protecting economy. Protesting. Disenfranchisement. That that that the rally irate and number of these people working here are and what I would. Call circuit sent the pick up their feet covered it got black masks on their hearing. Signs and flags and affiliated with that movement. Hence definitely is the word I would use. I can't see him again again I'm standing on them in hopes how rang out looking down on the ink came and I because what. I. I don't see any violence from my vantage point at apathy not happening or happened happened at the court that they that the only what I can see right now. On election also tell you about it. Traveling on his presidential strip and we just came from Warsaw Poland this morning where president trump gave that. Rousing speech about US European relations. And what he called a clash of civilizations in the in the wake of terrorism. And there were thousands of people in that's where there. Supporters of Donald struck people who came from all over Poland. Oh and I was struck by. That he American flag there were and that crowd of people holding up make America. Great again sign and that sewage something mr. Donald Trump in his element he commented on the outside we know what think are. Definitely let out icky knee when he is now in Hamburg happened turn on the television like we know he. Like did you think he's sixteen unfolding on the street not far from where he night he's seeing a completely different scene and the when he left behind Poland today. We'll see Elliott that's an interesting point you raise it's a total 180 from the crowds he experienced in Poland how we heard anything. And anyone on the White House team in response to what's been happening on the ground in Germany so far. Not from not that I heard directly now and I can't act. It unusual. That he very picky gates came in landed and had bilateral. Meeting with Angela Merkel Germany's chancellor. You know dirtier very busy I I in fact I'd not sure Eric his hotel in relation to approach at the nineteen on the ground right out making there are. Still many people in this city on that it would be hard commenced. I can't imagine that he's not seeing it on television that he certainly expect. And had heard about the current cat in advance that his arrival here. You know we heard for example but he wasn't going cute the UK. Because of some of the protest that he would speak Arabic is not a conflict that he wants to be in the middle of the did not seen that president Donald. I've got this protest movement not being locked could be big red. I don't know that he will when he here Hamburg but certainly he sees the image is playing out how to that they are. Broadcasting live in the hotel where I am right now something he'll certainly be clicked tonight. And we're seeing those live pictures now you're seeing on emergency response vehicles there a large crowd still. Gathered in the streets there in Hamburg and of course earlier we have reports about bottles being thrown out the police police responding with water cannons tear gas. At least one car reportedly being lit on fire facility you're traveling. We've the president and there of course that converts doesn't even begin until. Tomorrow is there any concern that these could pick up speed that things could potentially get worth. You know just from my being outside it has this and I I have and that it could. But you know I am also seeing hundreds of people who are milling about the streets peacefully here show from what I can see it's not violent situation. But I earlier this afternoon it of course via spam people throwing politically aperture and police. And under very agitated. Dance also you know lying in line bruised and rivers of police and right here armed obviously and and and tanks and armored vehicles. Moving towards the protesters right now which one of these. He saw movement if you will this crowd that you protesters but it adding and flowing along with police and police. From what I can see and to be going with the crowd and allowing these protesters to move move about the streets around they have taken over a large. What looks like a main thoroughfare from what I can see these protesters and leaking to be letting them to hold out. In the end there are at peacefully at this point. But again I Q when it struck that this is my vantage point preferred site at this action at the protest but I can see I can't help going on out that he. And to Syria before we let you go an hour on the eve of another big cast for president trump that G-20 summit some big meetings. Coming up of course what is the goal. For this White House what's a win for president trump coming off of this big cast. Well I think in a lot of ways he really just needs hit. Each year and emphasize. His support for NATO his support for. European allies. And frankly get them collect. A public relations out of that heat it's White House that he that the G-20 summit. We if you will target on their back after it the United States pulled out of terror crime or a number of the leaders. With whom he will meet face to face have agendas were they plan to raise that issue they are not happy that we Germany Angela Merkel is meeting. Having just ended a few hours ago here between two of that we don't have a readout yet. About exactly what was that and of course all lines on the big meeting with the president and have Vladimir Putin tomorrow they're experts see parents. President trump took off but we know that that will happen. Our tomorrow morning. We're not sure yet whether cameras allowed in out where obviously certainly hoping that a but you know the White House turn down latest meeting now really. Saying that they just a regular bilateral meeting it will happen between president trump and many other leaders. At this G-20 summit Russia opt out playing that. But they seek to face an opportunity for Vladimir Putin's to have this one on one Heimlich president trump and Leno that he is coming into the act agenda opting to. He what you take off. On we know Burt a fact that. Did that for example president transplant to talk a lot about theory that he. Isn't going to view pressed hard on this issue of Russian hacking in the election. A lot of questions. And and we'll find out now in just a matter are a big but certainly something we're all watching. Who will have live coverage of all that of course right here and online to Syria they act our senior White House correspondent traveling with president child live amber thanks so much. And thanks to you for watching as well remember you keep continuing coverage of the G-20 summit and that big meeting between president trump and President Putin tomorrow. Right here and at abcnews.com. Anytime thanks for watching for now on comment about.

This transcript has been automatically generated and may not be 100% accurate.