Secretary of State Marco Rubio announced on Saturday that all U.S. visas for South Sudan's citizens will be revoked and restricted moving forward.

Uganda president holds talks with South Sudanese leaders to try to avoid civil war - Uganda’s President Yoweri Museveni is ...

The world's youngest nation, South Sudan, could be on the brink of another civil war. At the heart of the tensions is a power struggle between the country's president and vice president.