These are troubling times, and this situation is unlike any we have navigated before,” the university president said in a statement.

A "small number of international graduate students" at the University of Kentucky have had their student visas or status revoked, officials said.

Neither university has identified the students who lost their visas, said what countries they are from, or revealed whether federal officials provided any explanation.

At least nine students between the University of Colorado and Colorado State University have had their student visas revoked by the Department of Homeland Security, spokespeople for the schools have said.

Colorado State University said on Wednesday that an additional student had their visa revoked after several were revoked a day earlier. The Department of State acknowledged the move but won't say why they were revoked.

NC State enrolls the most international students of any school in the public UNC System and hosts the second-most international students of any university in the state.

In consultation with their home country embassies and private immigration attorneys, both students made the decision to depart the United States,” according to the university.

The revocation for students at UC comes as a handful of students at universities across the country have had their visas revoked.