A Tale of Two Seasons at Columbia, and Two Responses to Student Arrests NYT Par : Troy Closson · Sharon Otterman and Luis Ferré-Sadurní 28 février 2026 à 09:00 When Mahmoud Khalil was detained by immigration agents last year, the university’s response was restrained. It was different with Elmina Aghayeva this week. © CS Muncy for The New York TimesThe message at Columbia University was clear this week after federal immigration agents again detained a student.