Harvard University on Thursday filed a legal challenge to President Donald Trump’s efforts to block visas for foreign students planning to attend the Ivy League college.“Singling out our institution for its enrollment of international students and its collaboration with other educational institutions around the world is yet another illegal step taken by the Administration to retaliate against Harvard,

Harvard’s leadership has asked a court to stop the Trump administration’s latest attempt to block international students — over a fourth of its student body — from coming to the university, according to a new court filing less than 24 hours after the latest move by President Donald Trump against the university.

Harvard University said on Thursday that U.S. President Donald Trump's move to bar foreign nationals seeking to study at the Ivy League school from entering the United States is illegal, and asked a judge to block it immediately pending further litigation.