President Donald Trump has escalated his standoff with Harvard University, seeking another path to prevent international students from attending the school after a judge blocked an attempt to revoke Harvard’s ability to enroll international students.

Trump suspends new student visas for Harvard and orders reviews of current foreign students' visas, citing foreign ties and campus unrest. Here's what's happening

Harvard University has responded to it by saying, "This is yet another illegal retaliatory step taken by the Administration in violation of Harvards First Amendment rights."