South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State
South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State January 26, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST)
South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State
South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State January 26, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST)
South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State
South Sudanese refugees wait inside camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State January 26, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST)
South Sudanese refugees wait in camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State
South Sudanese refugees wait in camp Kilo 10 after arriving from Malakal and al-Rank war zone inside South Sudan, in the al-Salam locality at the Sudan border in White Nile State January 26, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST)
South Sudanese refugee receives treatment after arriving from Malakal and al-Rank war zone inside South Sudan, in White Nile State
A South Sudanese refugee receives treatment after arriving from Malakal and al-Rank war zone inside South Sudan, at camp Kilo 10 in the AL-Salam locality at the Sudan border in White Nile State January 26, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST)
South Sudan government, rebels say each other violating ceasefire
Initially caused by a political row, the conflict has taken a tribal turn with Kiir's Dinka clashing with Machar's Nuer, while thousands of people have been killed
SPLA soldiers stand as a helicopter is seen in the background at Juba airport
SPLA soldiers stand as a helicopter is seen after flying a trip to Bor, at Juba airport, South Sudan, January 25, 2014. The violence since mid-December 2013, the worst in South Sudan since it won its independence from Sudan in 2011, has killed thousands of people and driven more than half a million from their homes. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT MILITARY)
SPLA soldiers leave a helicopter after a trip to Bor, in Juba
SPLA soldiers leave a helicopter after a trip to Bor, in Juba, South Sudan, January 25, 2014. The violence since mid-December 2013, the worst in South Sudan since it won its independence from Sudan in 2011, has killed thousands of people and driven more than half a million from their homes. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT MILITARY)
SPLA soldiers and a journalist leave a helicopter after a flight to Bor, in Juba
SPLA soldiers and a journalist leave a helicopter after a flight to Bor, in Juba, South Sudan January 25, 2014. The violence since mid-December 2013, the worst in South Sudan since it won its independence from Sudan in 2011, has killed thousands of people and driven more than half a million from their homes. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT TPX IMAGES OF THE DAY)
A girl looks on, in Bor
A girl looks on, in Bor, South Sudan, January 25, 2014. The violence since mid-December 2013, the worst in South Sudan since it won its independence from Sudan in 2011, has killed thousands of people and driven more than half a million from their homes. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)