Columbia University has expelled and suspended over 70 students involved in a pro-Palestinian demonstration that shut down the main campus library in May. The university acted swiftly under a new centralized disciplinary process, issuing punishments that included suspensions, expulsions, probation, and at least one degree revocation. The demonstration, organized by a student protest group, saw dozens of masked students occupy Butler Library before being arrested by police. The disciplinary actions come as Columbia negotiates with the federal government over lost research funding and faces ongoing scrutiny regarding campus antisemitism. University officials have not confirmed exact numbers, citing student privacy, but the sanctions are among the most severe handed down in recent years.