The university said a judicial board brought sanctions against students who occupied Hamilton Hall in 2024 to protest the war in Gaza.

A letter outlining “immediate next steps” arrived less than a week after the administration said it was canceling $400 million in grants and contracts.

Columbia University on Thursday announced a range of punishments, including expulsions and suspensions, for students who took over of a campus building last year.

Columbia University says it has expelled or suspended some students who took over a campus building during pro-Palestinian protests last spring and temporarily revoked the diplomas of some students who have since graduated.

Columbia University has expelled some students and revoked diplomas of others involved in a pro-Palestinian protest on campus last year.

Columbia University's interim President Katrina Armstrong said that she was “heartbroken" by Homeland Security agents searching two students' rooms on campus Thursday night.