Hundreds of thousands of people in Sudan's conflict-torn state of South Kordofan are on the brink of famine as Khartoum keeps up a blockade on aid agencies.
The leaders of Sudan and South Sudan met late Sunday as international pressure grew to end long-running disputes that have brought the former civil war foes to the brink of renewed conflict.
Furious protesters targeted symbols of US influence in cities across the Muslim world on Friday, attacking embassies, schools and restaurants in retaliation for a film that mocks Islam.
Rebels in South Sudan's Jonglei state have killed at least 24 soldiers, with several others missing or wounded, in the latest outbreak of violence in the troubled region, officials said Sunday.
More than four years after an African Union-UN peacekeeping force costing billions of dollars arrived in Sudan's restive western region of Darfur, peace remains elusive and some question the mission's value.
The United States on Sunday sent its congratulations to South Sudan as the African nation was set to mark its first year of independence, but said "significant challenges" lay ahead for Juba.
The world's youngest nation South Sudan has had a rough first year: border wars with the North, internal violence and shutdown of the oil production its economy depends on.