UC Berkeley calls off Ann Coulter talk for security reasons

But the school, which prides itself on being open to free speech regardless of viewpoint, said the event can not be held on campus because of the potential for violent protests between groups that support Coulter and those that disagree with her.

In light of these events, university officials said in a letter to the campus Republican group that had invited Coulter to speak that it had canceled her speech over worries that it may fuel backlash the way Yiannopoulos' scheduled appearance had.

Word of the cancellation of the April 27th event comes just days after a violent encounter between far-right supporters and far-left protesters at a pro-Donald Trump rally in Berkeley.

"Given current active security threats, it is not possible to assure that the event could be held successfully", the letter read.

On Wednesday, administrators at the notoriously liberal University of California, Berkeley cancelled a planned lectured by controversial author Ann Coulter.

News organizations obtained a copy of the letter Wednesday.

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"If Berkeley wants to have free speech, they are going to get it", the spokesman, Spencer Brown, said. "We could not find a venue that would allow us to offer safety and security to the speaker, to those who would attend the event to our neighbors, as well as those who might choose to lawfully oppose her appearance", UC Berkeley spokesperson Dan Mogulof said.

University officials said they hope to reschedule her speech for sometime in September, the Washington Post reported.

The event was being co-organized by a campus group called BridgeCal and the Young America's Foundation, a conservative group that books Coulter's campus speeches.

Coulter reportedly also asked Berkeley officials to warn students that "engaging in violence, mayhem or heckling" to prevent the speech would result in expulsion, the statement said.

Group members have stressed that they have "no intention of acceding to these unconstitutional acts".

We realize that this is disappointing news, but the good news is that UCPD and Student Affairs remain firmly committed to working with you to find an alternative time and date for Ms. Coulter to come speak here at Berkeley.