More than 170 students in University of Texas System schools have had their visas revoked by the Trump administration, officials confirm.

The student visa terminations are part of a larger effort by President Donald Trump’s administration to crackdown on immigration and on student

According to reports, 19 other students from the University of Texas at Dallas and 27 students from the University of North Texas also had their records removed from the Student and Exchange Visitor Information System (SEVIS), the federal database that the U.S. Department of Homeland Security uses to maintain information on international students.