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

The Department of Homeland Security said Khalil was taken into custody as a result of Trump’s executive orders prohibiting antisemitism.