WASHINGTON (AP) — A class action lawsuit filed Friday asks a federal court to reinstate the legal status of international students who have been stripped of their visas in a Trump administration crackdown that has left more than a thousand fearful of deportation.

The number of University of Washington students who have had their visas recently revoked has risen to at least 23, the university confirms.

Five current University of Washington students, plus four recent graduates in a post-grad training program, have had their visas revoked by the federal government without any prior warning, the university announced.