The university has more than 20,000 international students enrolled at its campuses worldwide and they comprise 16 percent of the undergraduate student body.

Harvard University is suing the Trump administration a day after the Department of Homeland Security (DHS) revoked its certification to admit foreign students, an escalation of its fight with the institution and an effort to hit its wallet.

The Trump administration’s efforts to block international students from Harvard could come at a hefty price — and not just for the university.   Harvard students are top innovators in the country,