The Department of Homeland Security said a Columbia University student who had her student visa revoked self-deported.

Columbia University student has been arrested by federal Immigration and Customs Enforcement agents with Homeland Security Investigations in connection with President Trump’s crackdown, while another had her student visa revoked and self-deported,

Khalil’s arrest could have a chilling effect on on- and off-campus protests involving people who aren’t citizens, said Columbia University immigration law professor Elora Mukherjee. Already, she said, it had provoked panic and fear among immigrant students on campus.