Columbia University warns of consequences for student protesters
Police clash with campus protesters at Columbia University
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
Police clash with campus protesters at Columbia University
Columbia University tells protesters they must leave encampment by Monday afternoon
House Speaker Mike Johnson plans to visit Columbia University protesters
Columbia professor says protesters 'being treated like terrorists' as NYPD makes arrests on campus
170 protesters arrested at Columbia, City College receive summonses
