The city and university have taken steps to prepare for demonstrations planned in response to Thursday's talk by conservative political commentator Ben Shapiro.
The Berkeley City Council voted 6-3 Tuesday night to let police use pepper spray during demonstrations if protesters are violent.
Anyone violating these rules will be subject to citation and arrest.
Every Monday on Solano Avenue for six years, a group has demonstrated against economic inequality.
Mayor Jesse Arreguín wants UC Berkeley to revise its security plans for the Ben Shapiro event so protesters aren't funneled onto city streets.
Antifascist organizers have had a visible, and sometimes violent, presence at many rallies in Berkeley this year, inspiring ire and some accolades.
Police are asking city officials to toss out a 1997 rule against the use of pepper spray during demonstrations so they can avoid using tools like tear gas and smoke.
A closed perimeter around Zellerbach, extensive parking restrictions and more have been announced by UC Berkeley in advance of Ben Shapiro's talk Thursday.
Cal students and others blasted President Donald Trump's decision to end a program protecting undocumented immigrants who were brought to the country as kids.
The woman who called for a "No to Marxism" rally on Aug. 27, and then canceled it, returned to Berkeley Saturday to hold her own private rally.
Many activists in Berkeley last weekend described Sunday's demonstrations as a decisive win for the left, and a triumph of love over hate. But who, exactly, were the ones who lost?
Kids and parents at a few Berkeley elementary schools promoted peace and equality at demonstrations Friday morning.
Antifa has become the target of the mayor's criticism in the days following rallies that drew thousands to the streets of Berkeley.