U.S. Immigration and Customs Enforcement (ICE) officers have arrested an additional 90 foreign students who attended a fake university in Michigan, raising the total to 250, according to a report published Wednesday.

The University of Farmington was a fake school created in the metro Detroit area by the Department of Homeland Security as part of an immigration sting and was staffed by undercover agents posing as school officials, the Detroit Free Press newspaper reported.

The students entered the U.S. on legal student visas, according to the Free Press, which said they lost their status after it was revealed to

Read more: US immigration officials arrest 250 at fake university