Immigration attorneys say up to a dozen people from several countries including Myanmar and Vietnam have apparently been deported to South Sudan.
Now a Federal judge has ordered Trump adminstration to retain custody and control of those people in case he orders
federal removals were also unlawful.
U.S district judge Brian E. Murphy in Massachusetts has ordered an emergency hearing on the matter for Wednesday.
The immigration attorneys say the clients' removals would violate a court order that peole must be given a meaningful opportunity to argue that sending them to a country outside of their homeland would threaten their safety.
Department of Homeland Security did not immedately return messages seeking comments.
I'm Ben Thomas.