Rubio opens investigation into Harvard's use of international visas, citing national security

Trump administration opens new probe into Harvard's visa practices following previous attempts to revoke the university's ability to enroll international students

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"All sponsors participating in this program are required to fully comply with exchange visitor regulations, transparency in reporting, and a demonstrated commitment to fostering the principles of cultural exchange and mutual understanding upon which the program was founded," he said in a statement. "To maintain their privilege to sponsor exchange visitors, sponsors must comply with all regulations, including conducting their programs in a manner that does not undermine the foreign policy objectives or compromise the national security interests of the United States."

"The American people have the right to expect their universities to uphold national security, comply with the law, and provide safe environments for all students," he added.