Massachusetts federal district judge Brian Murphy ruled May 21 that the flight violated his April order that forbade the government from sending any migrants to third countries without providing them clear information about where they were going and giving them time to raise any concerns about being sent to that country.

Eight people from Myanmar, Laos, Vietnam, Cuba, Mexico and South Sudan were on a flight reportedly intended for South Sudan this week.

The United Nations rights chief urged on Friday for warring sides in South Sudan to pull back from the brink, warning that the human rights situation risks further deterioration as fighting intensifies.

A federal judge ruled late Tuesday that U.S. officials must retain custody and control of migrants apparently removed to South Sudan in case he orders their removals were unlawful.

A federal judge in Boston has told the Trump administration it must to maintain custody of migrants whom the US government has allegedly flown to South Sudan or other countries in recent days amid heightened concerns over the administration’s aggressive approach to deportations.

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.

The Trump administration has reportedly started deporting individuals from Myanmar and Vietnam to South Sudan in apparent violation of a federal court order prohibiting such transfers, according to court filings submitted by immigration attorneys. Ethical issues arise from sending non-natives to an unsafe region.

South Sudan's President Salva Kiir has reshuffled the senior leadership in the ruling party, according to an official decree, as the country faces fresh fighting between rival armed factions and widespread speculation about Kiir's succession plans.