This story has been updated to note Tuesday's campus closure. College campuses across the US are seeing sit-in style protests against the war in Gaza, and Portland is no exception. A few hours after a rally Monday afternoon, pro-Palestinian demonstrators broke into and occupied the school’s main library. While Portland State University (PSU) officials previously refrained from calling police to disband an ongoing protest encampment, Monday night’s breach drew threats of criminal charges. The university.