The U.S. Justice Department is investigating whether Columbia University concealed “illegal aliens” on its campus, one of its top officials said Friday, as the Trump administration intensified its campaign to deport foreigners who participated in pro-Palestinian demonstrations at the school last year.

Deputy Attorney General Todd Blanche said arrests were part of the president’s “mission to end antisemitism in this country.”

The U.S. Justice Department is investigating whether Columbia University concealed “illegal aliens” on its campus, one of its top officials said Friday, as the Trump administration intensified its campaign to deport foreigners who participated in pro-Palestinian demonstrations at the New York college last year.