A huge influx of international students has changed the character of American institutions, crowding out US-born students — and even making them targets of discrimination.

Despite the Trump administration once again ramping up its attack, Harvard says it will continue to defend itself against government overreach.

The US State Department has said that it is opening an investigation into Harvard University’s continued eligibility as a sponsor for the Exchange Visitor Program, which allows foreign students and scholars to participate in exchange programs in the US.

Roughly one-quarter of Harvard's students are foreign, making the removal of their access to the university a potentially crippling blow.