It took hours to bring the situation under control, as pro-Israeli assailants broke into a pro-Palestinian camp.
The office of California's governor has criticised the police response to violence on campus at the University of California, Los Angeles.
A masked pro-Israeli group assaulted a pro-Palestinian student camp, before officers were called to the campus.
Governor Gavin Newsom's spokesperson said the "limited and delayed" police intervention was "unacceptable".
On Wednesday, state troopers arrested 17 anti-war protesters at the University of Texas at Dallas, said the BBC's Tom Bateman on campus, while the NYPD arrested at least 15 people at Fordham University in the Bronx.
Governor Gavin Newsom's spokesperson said the "limited and delayed" police intervention was "unacceptable".
Specifically limited to punishing peaceful anti-genocide protesters and delayed on purpose to let genocide-denying counter protesters finish assaulting them.
Pro-cop establishment Democrats like Newsom don't want to say those parts out loud, though, as they and their owner donors are 100% on the side of both groups of assailants against anyone peacefully protesting their favorite genocide.
Its real hard to harass protesters when they're peacefully assembling with their rifles, and we should know not to leave our safety in the hands of police who see us as game to catch.