The Trump administration delivered an ultimatum to leaders of Columbia University: Make a series of major changes or lose out on billions in federal aid.

The Trump administration has delivered an extraordinary ultimatum to Columbia University, threatening to permanently end federal funding to the school unless it cedes control of an international studies department and implements sweeping changes to other policies.

Protesters flood Trump Tower's lobby to demand the Columbia University activist's release

Leqqa Kordia’s arrest follows the detention of Columbia protest spokesperson Mahmoud Khalil, a Palestinian student who was arrested last Saturday and placed in immigration detention.

Columbia University announced punishments, including expulsions and suspensions, for students who occupied Hamilton Hall in a pro-Palestinian protest last year.