Lawyers for the immigrants, who aren’t from South Sudan, contend the deportations violate a court order after a previous attempt to send some people to Libya.

Attorneys for Vietnamese and Burmese migrants alleged in a new emergency motion Tuesday that the Trump administration deported their clients to South Sudan in violation of a previous court order.

Immigration authorities appear to have begun deporting migrants from Myanmar and Vietnam to South Sudan, attorneys for the migrants said in court documents filed Tuesday.