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.

International students and foreign faculty have watched the crackdown on pro-Palestinian protesters at Columbia University with apprehension

A Palestinian woman was arrested in New Jersey, while another activist from India chose to "self-deport", US officials say.

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

Agents with the Department of Homeland Security searched two university residences with a warrant Thursday evening. No one was arrested and it was unclear whom the authorities were searching for.