But agency spokeswoman Tricia McLaughlin told reporters South Sudan was not the migrants ... She said it was "absurd for a US judge to try to dictate the foreign policy and national security ...

It wasn’t immediately clear whether the flight had arrived in South Sudan. The New York Times reported the plane carrying the migrants had temporarily landed at a US military base in Djibouti.

A federal judge ruled Tuesday that the Trump administration must keep custody of illegal immigrants who lawyers said may have been unlawfully deported to South Sudan instead of their native countries.

In the case of one migrant, Lyons said ... Police in South Sudan have told The Associated Press news agency that no migrants from the US have arrived in the country so far.

US immigration authorities appear to have begun deporting migrants to South Sudan, attorneys say Immigration ... Administration laid out the major new policy shift on Tuesday.

Eight migrant detainees who were on a US flight destined for South Sudan are currently at a US military base in Djibouti, awaiting next steps as details over their case are hammered out in court ...