On Wednesday night conservative commentator Ben Shapiro was invited to speak on campus by the campus Young Americans for Freedom chapter.

Shapiro got through his introduction when all hell broke loose.

Watchdog.org reported:

Far left race protesters stood up and screamed, “Safety! Safety! Safety,” interrupting Shapiro’s address. The safe word apparently was an expression that the university is a safe space, where hate-filled rhetoric isn’t welcome…. …Campus police watched but did nothing to stop the interruptions. At one point, they looked on as the protesters stormed the stage and continued their chants. Shapiro was told by police that they were instructed not to stop the demonstrators, who made their intentions to disrupt clear on Facebook days before the speech. TRENDING: BREAKING: Senate Finance and Homeland Security Committees Release DEVASTATING Report on Hunter Biden, Burisma and Corruption -- CROOKED BIDEN FAMILY ENRICHED THEMSELVES AND OBAMA KNEW! To the protesters, Shapiro and those who came to listen to him, are “white supremacists.” They shouted as much. They demanded that the University of Wisconsin-Madison was their campus. To which conservative students and taxpayers in the crowd quickly responded, “This is our campus.”

Leftists attempt to wrest control of the podium from @benshapiro, he writes his response on the chalkboard. #onlyatYAF pic.twitter.com/r3rM9G4DrK — YAF (@yaf) November 17, 2016

Wisconsin radio host Vicki McKenna attended the speech and was threatened by the far left mob.

Conservative radio talk show host Vicki McKenna attended the event and caught much of it on video. “I was never so proud of these conservative kids,” she told Wisconsin Watchdog. “They restored my faith in the millennial generation.” McKenna, who hosts two daily shows on Newstalk 1130 WISN in Milwaukee and WIBA in Madison, was the target of the leftists’ message of love and tolerance. Upon leaving the event, she was surrounded by demonstrators. They shouted all kinds of vile things at the talk show host, the kind of offensive, “war on women” words for which liberals castigated Trump. One protester even charged that McKenna was responsible for the murder of a University of Wisconsin-Stout student from Saudi Arabia. “The black supremacists mob shout me down–all 5’3″ &48 years old of me–and UW cops try to move ME away because I am the THREAT Film at 11!” McKenna wrote on Twitter.

Here’s the video.