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

Mahmoud Khalil's attorneys are challenging his arrest, which raises questions about First Amendment protections for ...

Mahmoud Khalil, a recent Columbia graduate and Palestinian who is in the country legally and holds a green card, was arrested ...

Secretary of State Marco Rubio has confirmed the arrest of Mahmoud Khalil, a green card-holding Columbia University graduate ...

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

Recent Columbia University graduate student Mahmoud Khalil has had his visa revoked, despite his status as a permanent ...

Mahmoud Khalil is being detained as his lawyer fights for his release. A Palestinian protest leader at Columbia University ...

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

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

Activist Mahmoud Khalil was arrested in New York by federal immigration authorities, who claimed they were acting on a State ...

The 12 protesters were taken into custody as scores of people rallied outside City Hall Park in lower Manhattan Tuesday ...