New York City police took 80 people into custody after responding to protests on Columbia's campus, the police department said.

Columbia University requested help from the New York City Police Department to clear pro-Palestinian demonstrators out of the campus library Wednesday evening."Due to the number of individuals participating in the disruption inside and outside of the building,

Police arrested more than 70 pro-Palestinian protesters who crowded and occupied the main library of Columbia University, thrusting the New York City campus back into the center of campus tensions over Gaza. Two Columbia public safety officers were injured in the incident, the school said.