Flights that left from Guantánamo Bay, Cuba, Thursday transported nearly 200 illegal immigrants detained on the island back to Venezuela.

The Trump administration said Thursday it had abruptly deported at least 177 Venezuelan immigrants who had been detained in a newly constructed prison camp at the U.S. naval base at Guantánamo Bay, Cuba.

By Ted Hesson WASHINGTON (Reuters) -A U.S. civil rights group on Saturday sued to block the Trump administration from potentially transferring 10 migrants from the U.S. to a naval base in Guantanamo Bay,

U.S. immigration and military authorities say they are holding exclusively Venezuelan immigrants subject to final deportation orders at the U.S. naval station at Guantanamo Bay, Cuba

US and Venezuelan officials confirmed that 177 Venezuelans boarded an aircraft from the Venezuelan-owned airline Conviasa bound for Caracas.

The men told NPR they were kept in the dark about why they were in Guantánamo Bay, and were denied access to an attorney or a phone call with loved ones.

Many of the migrants were being kept in a detention facility that has historically held suspected terrorists. They were flown back to Venezuela Thursday after a stop in Honduras.

During his two weeks at the Guantánamo Bay naval station ... the United States to Guantánamo and deported all of them to Venezuela on Thursday. The Post spoke with three men who were detained ...