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

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

A student who played a prominent role during pro-Palestinian protests at Columbia University in New York City last year has ...

Mahmoud Khalil's attorney says he was detained by immigration officers who claimed his student visa was revoked, despite him ...