U.S. authorities have removed immigrants from detention facilities at the Guantanamo Bay naval base as a federal court in Washington weighs a challenge by civil rights advocates to holding immigrants at the offshore military station.

The United States has cleared out the last migrants being held at its naval base at Guantanamo Bay, Cuba, sending them back to the U.S. mainland as they await deportation. Two U.S. defense officials told VOA on Wednesday that 40 detainees,