Danielle Sobkin, one of the organizers who invited Israeli lawyer Ran Bar Yoshafat, said the mob grabbed a sophomore who tried to attend the event, called him a “dirty Jew” and spit on him. She said that protesters also shoved a senior into the auditorium door as she tried to check in attendees, and that they grabbed a freshman by her neck.
There is a mention of the smashed window, but there are other articles that show it being smashed in a video. Like this one - Which has more details in general
Yeah, that video doesn’t show any violence either. You only hear broken glass. They don’t even show the window after it was broken.