>> reporter: so, we're heading towards a court in beijing where prominent activist goes on trial today -- >> wait a moment, please. please! >> reporter: why? is this a public space. there is no need to shout at me. the courthouse is just behind us. the name of the activist is chu ji wong, and the reason he is on trial is because he had a gathering several times, one of the founders of the new citizens movement. that is why there are all these police surrounding me here. we're going to go try to look at the entrance of the court, which is just here -- >> hello. >> reporter: sorry, you can't stop me. >> it's all right. all right. >> reporter: this is a public place. huh? this is a public space. this is a public space. excuse me. you don't push me. do not push me. this is a public space. don't hit me like this. this is a public -- they're physically manhandling us. they're physically manhandling me. this is a public space. i'm allowed to report.