Israel protests on campus, was at home Saturday night near Columbia’s Manhattan campus when several immigration agents entered his apartment and took him into custody, his attorney said.

Mahmoud Khalil's attorney says he was detained by immigration officers who claimed his student visa was revoked, despite him not being on one. His whereabouts remain unknown.

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

Mahmoud Khalil, recent Columbia University graduate and key figure in pro-Palestine encampment last April, was told his green card was revoked - Anadolu Ajansı

The comes after Trump announced that Columbia University could lose around $400 million in federal grants and contracts for failing to comply with anti-discrimination regulations.

U.S. President Donald Trump said on Monday that the arrest of a Palestinian graduate student who has played a prominent role in pro-Palestinian protests at New York's Columbia University will be followed by others.

Agents from President Donald Trump's administration have arrested Palestinian graduate student Mahmoud Khalil, who played a prominent role in last year's pro-Palestinian protests at New York's Columbia University.

A Palestinian protest leader at Columbia University was arrested by Department of Homeland Security agents Saturday night despite having a green card, his attorney said. President Donald Trump has promised to deport international students who participated in “pro-jihadist protests” on college campuses.

"This is the first arrest of many to come," the president said of Mahmoud Khalil, a green card holder abducted by immigration agents and sent to Louisiana.