The Department of Homeland Security said a Columbia University student who had her student visa revoked self-deported.

Columbia University announced Thursday it has suspended, expelled and revoked the degrees of students involved in the seizure of a

Between classes, when throngs of students stream into and out of Columbia University ’s campus, the security lines can back up like a TSA checkpoint. There’s a switch-back path of metal fencing that leads into a white tent, where two sets of guards check and then swipe campus ID cards before letting students in and out.