Homeland Security agents conducted searches in two students' rooms at Columbia University, with no arrests or detentions made. Interim President Katrina Armstrong expressed being "heartbroken" in a campus update. The searches were conducted with judicial warrants, meeting the university's requirements for law enforcement entry. Details about the purpose of the search and the rooms searched were not immediately available. The incident follows the arrest of anti-Israel activist Mahmoud Khalil, with the Trump administration defending the decision.