A displaced mother carries her sick child at a United Nations hospital at Tomping camp
A displaced mother carries her sick child at a United Nations hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH TPX IMAGES OF THE DAY)
Sudan backs away from statement on South Sudan force
SOUTHSUDAN-SUDAN/:Sudan backs away from statement on South Sudan force
A displaced mother tends to her sick child at a United Nations hospital at Tomping camp
A displaced mother tends to her sick child at a United Nations hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH)
A displaced mother carries her sick child at a United Nations hospital at Tomping camp
A displaced mother carries her sick child at a United Nations hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH)
A displaced man with gun shot wounds rests on a bed at a United Nations hospital at Tomping camp
A displaced man with gun shot wounds rests on a bed at a United Nations hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH)
A displaced man with gun shot wounds rests at a United Nations hospital at Tomping camp
A displaced man with gun shot wounds rests at a United Nations hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH)
A displaced mother watches over her sick child at a United Nation's hospital at Tomping camp
A displaced mother watches over her sick child at a United Nation's hospital at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the UN, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH) TEMPLATE OUT
Displaced people gather as they wait to receive medical attention at the emergency clinic run by Medecins Sans Frontieres (MSN) at Tomping camp
Displaced people gather as they wait to receive medical attention at the emergency clinic run by Medecins Sans Frontieres (MSN) at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the United Nations, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT HEALTH)
A displaced man speaks on a cellphone in his makeshift shelter at Tomping camp
A displaced man speaks on a cellphone in his makeshift shelter at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the United Nations, near South Sudan's capital Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST CONFLICT)
Soldiers from Rwanda serving under United Nations Mission in South Sudan hold their weapons as they keep watch from observatory point at Tomping camp
Soldiers from Rwanda serving under United Nations Mission in South Sudan (UNAMISS) hold their weapons as they keep watch from an observatory point at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the United Nations, near Juba January 7, 2014. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST)