Now to growing tensions on college campuses around the country. Nearly 2000 people so far have been arrested over the past few weeks. At dozens of schools yesterday, President Biden rebuked the violence and spoke that's broken out at some of the protests saying quote, there, there's the right to protest CBS. News. Jared Hill has the latest. Police at Portland State University in Oregon cleared out protesters who'd occupied the school's library since Monday. More than 20 arrested police video shows officers pushing through makeshift barricades and searching inside the graffiti covered building outside a car drove into a crowd, people nearby started pelting it with objects before the driver sprayed something out the window, jumped down and ran away earlier at UCL. A chaos erupted as police moved in to clear an encampment. More than 200 taken into custody. Heavy equipment was later hauled in to help with the cleanup order must prevail in a last minute address. President Biden criticized the violence that's broken out at some college demonstrations over the past few days, vandalism trespassing. None of this is a peaceful protest at the University of Minnesota voluntarily started taking down their tents after the university agreed to let protesters address the Board of Regents in Manhattan. The D A is now investigating after the NYPD says an officer accidentally fired their gun during the sweep of Hamilton Hall at Columbia University. Though no one was injured, Jared Hill CBS News, New York.