Another Columbia student, Mahmoud Khalil, is currently in detention and challenging his removal from the country for participating in pro-Palestine protests on campus. Khalil is a green card holder and has not yet been charged with any crime.

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

Department of Homeland Security agents had judicial warrants to conduct the searches, according to Columbia’s interim president.