Members of the crowd had who are violent. Its not to move a crowd in any particular direction. Students and others say theyre sad to see such extreme police measures needed on their campus. And at the birth place of free speech. Im apprehensive right now walking through kafrmz. Its crazy. Reporter we are back here live you can see some folks are sitting right in the middle of the street. Others are standing out listening to speakers. This is where the university has been closed down. This is where the barricades are up. Nobody can get on to sproul plaszcza. Two hours from starting and so far things are peaceful. Recording live Jodi Hernandez nbc bay area. Well keep eye close watch. A couple of hours ben shapiro retweeted Jodi Hernandezs tweets showing the boarding up and the business preparations for tweets. Saying yes lets pretend this is all done in fear of conservatives. Here is ben shapiro . Born in l. A. To a partly russian jewish family. He graduated from ucla in political scienc