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

Building on the CSU Fort Collins (left) and CU Boulder (right) campuses. Both have students whose visas have been revoked by the State Dept. Four CU students at its Colorado Springs and Boulder campuses and six from CSU in Fort Collins had their visas revoked, each university’s administration confirmed to the IJN.

At least six international students at Colorado State University and four at CU have had their student visas revoked this semester, officials said.