Biliana, an international student at New York's Columbia University, is studying for exams but fears being arrested by immigration police.

Columbia professors meanwhile are scrambling to save research funding in the crosshairs of President Donald Trump's administration.

An atmosphere of crisis hovers over campus as the semester winds down, as the White House accuses the prestigious university and other Ivy League schools of anti-Semitism and "woke" liberal ideology.

Several hundred foreign students nationwide have been threatened with the cancellation of their visas, while others have been targeted -- and a few arrested, including at Columbia -- over everything from participation in pro-Palestinian protests to traffic violations.

"The situation is just terrifying," said Biliana, a 29-year-old law student, who feels such dread that she asked not to be identified by her real name or even the Latin American country she comes from.

"You feel like you cannot say anything, you cannot share anything."

She went on: "Me and my friends, we have not been posting........

© International Business Times