Columbia University announced Thursday it has suspended, expelled and revoked the degrees of students involved in the seizure of a

Nationwide protests are planned this weekend after Mahmoud Khalil, a former Columbia University student activist, was arrested by immigration authorities, fueling tensions between the Trump administration and student movements over immigration policy.

A Palestinian woman was arrested in New Jersey, while another activist from India chose to "self-deport", US officials say.

Department of Homeland Security officials conducted the search as the Trump administration sought to deport a former student and pro-Palestinian activist.

Federal agents searched two student residences at Columbia University, its interim president said, a week after immigration agents detained Mahmoud Khalil, a leader of last year's campus protests, who the Trump administration wants to deport.

Law enforcement sources tell ABC News that agents from Homeland Security Investigations were looking for at least one woman who was not home at the time when they showed up with search warrants.