Mahmoud Khalil, who recently completed a graduate program at Columbia, has legal permanent residency, his lawyer said.

Mahmoud Khalil, student activist, was detained by immigration enforcement on Saturday night. Agents said his student visa and green card were revoked.

A prominent Palestinian activist who helped lead last spring's protests at Columbia University has been arrested by federal ...

Mahmoud Khalil one of the most visible faces of the pro-Palestinian movement at Columbia and was arrested at his ...

Immigration and Customs Enforcement has arrested a Palestinian activist who has been one of the leading figures in instigating anti-Israel student takeovers of the Columbia University ...

Mahmoud Khalil, a Palestinian activist who helped lead Columbia University's student encampment protests, has been arrested by ICE, his lawyer says.

Mahmoud Khalil was picked up by immigration officers who said they were acting on State Department orders to revoke his green ...

Mahmoud Khalil, a Syrian national who graduated from Columbia University in December, has been one of the leaders and instigators of anti-Israel student riots and takeovers of buildings on campus.

The White House could face legal repercussions after it reportedly ordered the Department of Homeland Security to detain ...