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

Federal immigration authorities arrested a Palestinian activist Saturday who played a prominent role in Columbia University’s ...

ICE agents arrested Palestinian activist Mahmoud Khalil -- a leader in Columbia University's encampment movement -- on Saturday night, said attorney Amy Greer.

Mahmoud Khalil was inside his university-owned apartment Saturday night when several Immigration and Customs Enforcement ...