Yiannopoulos said on Facebook he was evacuated "after violent left-wing protestors tore down barricades, lit fires, threw rocks and Roman candles at the windows and breached the ground floor of the building".
He added that it was the University of California Police Department that made a decision to evacuate Yiannopoulos and cancel the event. He tells the story of the police failing to disperse the mob or make arrests despite destruction of property and physical violence causing injury to bystanders and his own harrowing evacuation, and then the discussion of free speech being violated in systematic fashion by the Left begins.
The University of California at Berkeley's cancellation of a far-right commentator's talk amid violent protests prompted a tweeted warning from President Donald Trump to allow free speech or perhaps risk losing federal funding.More news: Amazon Q4 profit surges, but sales fall short
By 8 p.m. the crowd had thinned and at least 100 protesters that remained danced to a brass band playing music and marched off campus and into a main avenue.
The target of demonstrators was Milo Yiannopoulos, the openly gay, racist, transphobic and misogynist right-wing speaker and Breitbart editor who criticizes the LGBTQ community. He was banned from Twitter after leading a harassment campaign against "Ghostbusters" actress Leslie Jones.
The Berkeley College Republicans feel even though the violence ultimately canceled their event, their message has been taken to another level.
He was invited to speak by the Berkeley Republican club, which said it didn't endorse Yiannopoulos but that "silencing him is a defeat for civilized society and the free exchange of ideas on college campuses across America".
Eventually the university cancelled the event and tried to get the crowd to disperse.More news: Senate confirms Rex Tillerson to be next Secretary of State
Watch more above, and let us know what you think in the comments.
Mr Yiannopoulos, whose Twitter account was suspended past year after he was accused of participating in an online harassment of a black actress, criticised "the Left", saying in a statement it was "absolutely terrified of free speech and will do anything to shut it down".
"We are proud of our history and legacy as the home of the Free Speech Movement". On January 20, the same day Trump was inaugurated, he spoke at the University of Washington and sparked large protests.
January 13, 2017: The University of California at Davis cancels a joint appearance by Mr. Yiannopoulos and Martin Shkreli, a former pharmaceutical executive charged with securities fraud.More news: China manufacturing growth slows in January