Masked protesters took over part of a central library at Columbia University on Wednesday afternoon, forcing a tense standoff with campus safety officers while students were trying to study for final exams.

Police and pro-Palestinian demonstrators clashed at Brooklyn College on Thursday, in the second major confrontation at a New York City campus in two days. Some of the confrontations, including the tasering of a man who was being arrested,

Protests at Brooklyn College quickly escalated into chaos Thursday evening as pro-Palestine demonstrators attempted to take over Boylan Hall and police were called to the scene.