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)
Displaced people walk past razor wire at Tomping camp, where some 15,000 displaced people who fled their homes are sheltered by the United Nations, near Juba
Displaced people walk past razor wire 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)
Displaced people carry water containers on their heads at Tomping camp, near Juba
Displaced people carry water containers on their heads 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: CIVIL UNREST MILITARY POLITICS SOCIETY CONFLICT)
A displaced child plays on a mattress under a mosquito net laid in the open at Tomping camp, near Juba
A displaced child plays on a mattress under a mosquito net laid in the open 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: CIVIL UNREST MILITARY POLITICS SOCIETY CONFLICT)
Displaced people wash their clothes in a drainage canal at Tomping camp, near Juba
Displaced people wash their clothes in a drainage canal 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: CIVIL UNREST MILITARY POLITICS SOCIETY CONFLICT)
Displaced people wash their clothes in a drainage canal at Tomping camp near Juba
Displaced people wash their clothes in a drainage canal 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: CIVIL UNREST MILITARY POLITICS SOCIETY CONFLICT)
In South Sudan, $40 buys a boat ride to safety – but little else
South Sudanese displaced by fighting for the town of Bor sit tight and hope for the best - or pay $40 for a boat ride across the River Nile to safety, joining 90,000 others desperately short of shade, water, food and sanitation