Palestinian activist Mahmoud Khalil, a graduate student at the university until December last year, was arrested by ...

As the Trump administration continues its immigration crackdown, the arrest of a Palestinian activist and Columbia University graduate has prompted the institution to ramp up security ...

Khalil, who received his master's degree from Columbia, served as a negotiator for students as they bargained to end a tent ...

U.S. Immigration and Customs Enforcement over the weekend detained a student involved with pro-Palestinian protests at ...