"The United States calls on the government of Sudan to cease all chemical weapons use and uphold its obligations under the CWC," the statement read, referring to the Chemical Weapons Convention under which signatories have committed to destroy their stockpiles of the weapons.

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.

The State Department’s announcement comes months after U.S. officials found evidence that Sudan’s military had used chemical weapons against its paramilitary rival.

Sudan’s military says it has taken full control of Greater Khartoum. Brig. Gen. Nabil Abdullah, a spokesman for the Sudanese military, said forces retook the region that includes the capital city of Khartoum and its sister cities Omdurman and Khartoum North,

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.