south sudan
Beijing is no longer happy simply playing a low-key support role to peacekeeping operations on the continent.
U.N. Secretary-General Ban Ki-moon said the latest violence highlighted a lack of commitment to the peace process.
Gunfire rang out around the capital of the world's newest nation.
WHAT'S HAPPENING
South Sudan marks its fifth year as an independent nation this week. For half that time, the country has been embroiled in civil war.
Is it naked imperialism in pursuit of the country's vast oil reserves or a genuine effort to bring peace to help end a brutal conflict?
Adriane Ohanesian's images of conflict and crises are outstanding.
The number of people affected will nearly double from the first three months of the year.
The peace deal was hanging by a thread until the opposition leader's homecoming.
At least 18 people died in deadly fighting in a United Nations Protection of Civilians site.