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.

Department of Homeland Security agents had judicial warrants to conduct the searches, according to Columbia’s interim president.

Columbia University on Thursday said it had doled out a range of punishments to students who occupied a campus building last spring during pro-Palestinian protests. The announcement came a week after President Donald Trump's administration announced that it had canceled $400 million in federal grants and contracts in response to what it said was the Ivy League school's poor response to antisemitism on campus.

In an email, Interim President Katrina Armstrong wrote that she was “heartbroken” to inform students and faculty of the federal agents’ visit. The students were not arrested or

Lawyers for Mahmoud Khalil, arrested for pro-Palestinian protests, face off with feds seeking his deportation in court today. Newsweek's live blog is closed.

The Palestinian activist who helped lead Columbia University's student encampment last year will remain in ICE custody in Louisiana. A Manhattan federal judge did not rule Wednesday on Mahmoud Khalil's request to be moved closer to his home in New York,