A judge ordered that six migrants must remain in US custody in South Sudan, rejecting Trump's request and further straining tensions between the president and federal courts.

South Sudan’s President Salva Kiir removed the country’s long-serving chief justice and Supreme Court president

The United States is being asked to explain why it appears to be deporting migrants from as far away as Vietnam and Cuba to South Sudan, a chaotic country that's once again in danger of collapsing into civil war.

The Trump administration is challenging a court ruling on a deportation flight, citing threats to U.S. foreign policy and Article II authority.

The South Sudan government accused Vivacell of operating under an outdated Sudanese permit and evading $66 million in taxes and licensing fees.