In June 1936, Columbia University expelled student activist Robert Burke for leading an anti-Nazi demonstration.

A top U.S. Justice Department official says the department is investigating whether Columbia University concealed “illegal aliens” on its campus.

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.

According to the sources, it was part of the Trump administration’s crackdown on individuals it has described as espousing the views of Hamas.

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.

A top U.S. Justice Department official says the department is investigating whether Columbia University concealed “illegal aliens” on its campus.

Ranjani Srinivasan’s student visa was revoked on March 5 for “advocating for violence and terrorism,” the Homeland Security Department said in a statement Friday.

The Department of Homeland Security said a Columbia University student who had her student visa revoked self-deported. Another Palestinian student was arrested for overstaying her expired visa.

Federal agents searched two student residences at Columbia University, its interim president said, a week after immigration agents detained Mahmoud Khalil, a leader of last year's campus protests, who the Trump administration wants to deport.