When demonstrators occupied the university’s main library on Wednesday, campus security forces intervened aggressively. The occupation ended with arrests hours later.

Police officers in helmets streamed into Columbia University Wednesday evening to remove a group of masked protesters who staged a Pro-Palestinian demonstration inside the school's main library.

Dozens of Columbia University students were temporarily suspended as of Friday for their alleged involvement with a brief takeover of the main campus library in a pro-Palestinian protest, the Daily News has learned.