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.

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.

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.

Doctors Without Borders, known by its French initials MSF, has warned of a looming “health catastrophe” among South Sudanese refugees in Ethiopia, citing surging cholera cases and widespread malnutrition in overcrowded camps near the border.