A recent graduate and one of the most prominent faces of the university's high-profile protests was arrested by US immigration officials over the weekend despite holding a permanent residency green card

Protesters were seen holding placards saying, "Release Mahmoud Khalil now,' ' You cannot coverup genocide"

Protesters in New York and rights groups have portrayed outrage over the arrest of Khalil, a leader of pro-Palestinian demonstrations at Columbia University, as President Donald Trump vowed further crackdowns

A building in New York City displayed a headline regarding the arrest of pro-Palestinian student activist Mahmoud Khalil by Immigration and Customs Enforcement

Hundreds of protesters gathered holding placards and Palestinian flags for the release of  Mahmoud Khalil