Columbia students reported feeling threatened when masked protesters stormed the campus library, chanted anti-Israel slogans, and mocked the Israeli hostage crisis.

Columbia University has suspended dozens of students and barred alums and others who participated in a pro-Palestinian demonstration inside the school’s main library earlier this week.

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.