NEW YORK (AP) — Handcuffed and shackled, Mahmoud Khalil was rushed from New York to Louisiana last weekend in a manner that left the outspoken Columbia University graduate student feeling like he was being kidnapped, his lawyers wrote in an updated lawsuit seeking his immediate release.

In an email, Interim President Katrina Armstrong wrote that she was “heartbroken” to inform students and faculty of the federal agents’ visit. The students were not arrested or

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.

Columbia University says it has expelled or suspended some students who took over a campus building during pro-Palestinian protests last spring and temporarily revoked the diplomas of some students who have since graduated.