Pro-Palestinian activists surround the venue, banging on the doors, spitting on students and breaking windows, which led to physical confrontations
“They grabbed me by the neck and pushed me against the wall. A student shouted at me ‘dirty Jewess’ and spat at me. It was pure antisemitism,” said one Jewish student.
This source is really suspect so “if this is true” probably resolves to “it isn’t”… but violence may be a reason to explain more violence but it never excuses further violence.