U.S. Arrests 2nd Person Tied to Pro-Palestinian Protests at Columbia NYT Par :Troy Closson 14 mars 2025 à 21:29 The action came less than a week after Mahmoud Khalil, a recent Columbia graduate and a prominent figure in campus demonstrations, was arrested. © Dave Sanders for The New York TimesDemonstrators rallied outside Columbia University’s main gates on Friday to demand the release of a pro-Palestinian activist who has been detained by the immigration authorities.