A federal court blocked the Trump administration from flying three Venezuelan illegal immigrants in New Mexico to Guantanamo Bay Naval Base in Cuba, the first time a court has barred such transports.

The U.S. District Court in New Mexico approved a temporary restraining order to block the transfer of three Immigration and Customs Enforcement detainees to Guantanamo on the basis that the defense’s lawyers argued they were falsely connected to the Venezuelan gang Tren de Aragua.