Mahmoud Khalil was taken into custody by agents on Saturday night inside his university-owned residence. NEW YORK — Federal immigration authorities arrested a Palestinian graduate student who played a prominent role in last spring’s anti-Israel protests at Columbia University, according to his attorney.

Federal agents arrested Mahmoud Khalil, a Palestinian student who played a major role in last year's protests at Columbia University, students said.

ICE arrested Mahmoud Khalil, a prominent Palestinian activist at Columbia University, on Saturday and has alerted his attorney that they are revoking his greed card. Khalil helped lead Columbia University’s student encampment movement last spring.