Police make arrests on Columbia University campus amid ongoing protests
Police clash with college protesters across the country
Columbia professor says protesters 'being treated like terrorists' as NYPD makes arrests on campus
University of Arizona to arrest college protesters refusing to leave campus
Columbia University warns of consequences for student protesters
NYPD clears Columbia University's Hamilton Hall filled with protesters
Columbia University tells protesters they must leave encampment by Monday afternoon
House Speaker Mike Johnson plans to visit Columbia University protesters
Columbia University professor says Congress' involvement in campus protests 'make things worse'
Columbia University campus security concerns ahead of Passover
