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

Columbia University has expelled some students for occupying Hamilton Hall last spring, school officials announced Thursday. In a university-wide email, Columbia said that the outcomes of a months-long investigation also included multi-year suspensions and the temporary revoking of other students’ degrees.

A U.S. judge on Wednesday extended his order blocking federal authorities from deporting a detained Columbia University student, in a case that has become a flashpoint of the Trump administration's pledge to deport some pro-Palestinian college activists.

Lawyers for an activist who led pro-Palestinian protests at Columbia University are expected to face off Wednesday in court with federal officials who want him deported. A federal judge on Monday temporarily halted Mahmoud Khalil's removal,

Columbia University graduate student Mahmoud Khalil has been held in New Jersey and Louisiana as the Trump administration tries to deport him because of his participation in pro-Palestinian