Gov. Ron DeSantis said hundreds of immigration detainees had departed a state-run detention center in the Everglades on planes, some for federal facilities, and others out of the country.

Critics have challenged federal and state officials’ contention that the detention center is just run by the state of Florida. Environmental groups suing to stop further construction and expansion demanded Thursday to see agreements or communications between state and federal officials and to visit the site.

Florida ramps up removals from remote Everglades facility built to hold — and expel — migrants under Trump’s mass deportation plans.