South Sudanese refugees wait at border gate in Joda, in Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST SOCIETY IMMIGRATION CONFLICT POLITICS)
South Sudanese refugees rest near a border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugees rest near a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST POLITICS SOCIETY IMMIGRATION)
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST TPX IMAGES OF THE DAY CONFLICT SOCIETY IMMIGRATION POLITICS)
South Sudanese refugee children eat near a border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugee children eat near a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST POLITICS SOCIETY IMMIGRATION FOOD CONFLICT)
A South Sudanese refugee walks near a border gate in Joda, in Jableen locality in Sudan's White Nile State
A South Sudanese refugee walks near a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving with other refugees from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST CONFLICT SOCIETY IMMIGRATION POLITICS)
South Sudanese refugees wait at border gate in Joda, in Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT SOCIETY IMMIGRATION)
South Sudanese refugees wait at border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST SOCIETY IMMIGRATION POLITICS CONFLICT)
A South Sudanese refugee carries her bags at a border gate in Joda, in the Jableen locality in Sudan's White Nile State
A South Sudanese refugee carries her bags at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving with other refugees from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST SOCIETY IMMIGRATION CONFLICT POLITICS)
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST SOCIETY IMMIGRATION CONFLICT POLITICS)
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State
South Sudanese refugees wait at a border gate in Joda, in the Jableen locality in Sudan's White Nile State, after arriving from the South Sudanese war zones of Malakal and al-Rank, January 16, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: CIVIL UNREST CONFLICT SOCIETY IMMIGRATION POLITICS)