President Trump says the arrest of Mahmoud Khalil is the first of many in the administration’s campaign to dismantle what it calls extreme leftist ideology on U.S. campuses.

The protests kicked off following the Saturday arrest of Mahmoud Khalil, when Immigration and Customs Enforcement agents took him into custody at his university-owned residence near Columbia’s

Mahmoud Khalil, a prominent Palestinian activist who helped lead Columbia University’s student protest movement demanding a ceasefire in Gaza, was arrested Saturday night by federal immigration authorities,