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Algerian-Palestinian activist Mahmoud Khalil returns to Columbia University in New York City, United States,
Gaza war protests at Columbia University — Algerian-Palestinian activist Mahmoud Khalil returns to Columbia University in New York City, United States, after immigration authorities detained him for more than three months o

Context: Gaza war protests at Columbia University.
Algerian-Palestinian activist Mahmoud Khalil returns to Columbia University in New York City, United States, after immigration authorities detained him for more than three months over his role in pro-Palestinian campus protests before a federal judge ordered his release. [https://www.afp.com/en/palestinian-activist-khalil-returns-columbia-after-us-detention (AFP)]
Event summary via Wikipedia Current Events (2026-10-27).