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.

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

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

ASU remains committed to fully supporting all affected international students in completing their degree programs,” a school spokesperson said.

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

In an email sent to Channel 13 on Friday, UNLV announced that four international students had their student visas revoked by federal immigration authorities.

The Ohio State University spokesperson confirms at least five student F-1 visas were revoked with no known reason.

The university released few details, but the move comes amid the Trump administration's efforts to deport students involved in pro-Palestinian protests on college campuses.

Some graduate students at the University of Kentucky have had their visas revoked, President Eli Capilouto said in a campus-wide message Friday afternoon. In his message, Capilouto wrote that the Department of Homeland Security notified UK that the department was revoking some F-1 student visas.