■Police evacuated attendees and a speaker from Israel after demonstrators broke through doors.

■200 Palestinian supporters surrounded UC Berkeley’s Zellerbach Playhouse on Monday night.

■Ran Bar-Yoshafat, an Israeli attorney and former IDF member, was scheduled to speak.

BERKELEY — Leaders of the University of California, Berkeley, have denounced a protest against an event organized by Jewish students that forced police to evacuate attendees and a speaker from Israel for their safety after demonstrators broke through doors.

A criminal investigation has begun, the university announced Wednesday.

The incident Monday night “violated not only our rules, but also some of our most fundamental values,” Chancellor Carol Christ and Executive Vice Chancellor and Provost Benjamin Hermalin said in a statement to the university community.

Minutes before the event was to start, a crowd of about 200 protesters began to surround the building, Zellerbach Playhouse, Christ and Hermalin said in their statement.

“Doors were broken open and the protesters gained unauthorized entry to the building,” they said. “The event was canceled, and the building was evacuated to protect the speaker and members of the audience.”

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University campuses have been a hotbed of protest activity surrounding the Israel-Hamas war, which began following Hamas’ deadly Oct. 7 attack on Israel. Israel’s responding assault on Gaza has killed 29,000 Palestinians, according to the Gaza Health Ministry.

Berkeley’s student newspaper, The Daily Californian, reported that the event was a lecture by Ran Bar-Yoshafat, an Israeli attorney and former member of the Israeli Defense Force.

Protesters: ‘Long Live the Intifada’

The newspaper reported that protesters changed “Long live the intifada,” “Hey hey, ho ho, the occupation has got to go” and “Killers on campus.”

The campus group Bears for Palestine had posted on social media about the event, urging students to “shut it down.” Bears is a reference to Golden Bears, the name of the university’s sports teams. There was no immediate reply to an email seeking comment from the group on the criticism of the protest.

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The event had been moved to Zellerbach because it was believed to be more secure than the original location and a team of university police had been sent there. But it wasn’t possible to ensure student safety and that the event could go forward “given the size of the crowd and the threat of violence,” the statement said.

UC Berkeley spokesperson Dan Mogulof told the San Francisco Chronicle that he could not substantiate reports of injuries, but he urged that any be reported to the university.

Christ and Hermalin said they respect the right to protest “as intrinsic to the values of democracy and an institution of higher education” but cannot ignore protests that interfere with the rights of others to hear and express their own perspectives.