The proclamation also directed the secretary of state to consider revoking the visas of foreign students already in the U.S. to study at Harvard. "I have determined that the entry of the class of ...

President Donald Trump issued an executive order on Wednesday denying visas for foreign students aiming to study at Harvard.

The Trump administration’s fights with Harvard and Columbia are eye-openers for other universities who are trying to decipher how to handle the president and his desire to exert control over their policies.

As President Donald Trump and his team dialed up the pressure on Harvard University last month, threatening to bar its international students, the school issued what was at once a warning and a plea.

President Trump signed a proclamation restricting foreign students from entering Harvard University, citing national security concerns. The order halts new F, M, and J visas for Harvard to the review of existing visas.