Rebel fighters return from a frontline in a rebel-controlled territory in Jonglei State
Rebel fighters return from a frontline in a rebel-controlled territory in Jonglei State January 30, 2014. REUTERS/Goran Tomasevic (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS)
A rebel fighter carries an animal carcass in a rebel-controlled territory in Jonglei State
A rebel fighter carries an animal carcass in a rebel-controlled territory in Jonglei State January 30, 2014. REUTERS/Goran Tomasevic (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS ANIMALS)
People cross a river in a rebel-controlled territory in Jonglei State
People cross a river in a rebel-controlled territory in Jonglei State January 30, 2014. REUTERS/Goran Tomasevic (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS SOCIETY)
Rebel fighters pose for photographs in a rebel-controlled territory in Jonglei State
Rebel fighters pose for photographs in a rebel-controlled territory in Jonglei State January 30, 2014. REUTERS/Goran Tomasevic (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS)
Justin Welby, Archbishop of Canterbury, listens to a question from a journalist at a news conference during his visit to Juba
Justin Welby, Archbishop of Canterbury, listens to a question from a journalist at a news conference during his visit to Juba, January 30, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)
Justin Welby, Archbishop of Canterbury, attends a news conference during his visit to Juba
Justin Welby, Archbishop of Canterbury, attends a news conference during his visit to Juba, January 30, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)
Justin Welby, Archbishop of Canterbury, speaks at a news conference during his visit to Juba
Justin Welby, Archbishop of Canterbury, speaks at a news conference during his visit to Juba, January 30, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)
Justin Welby, Archbishop of Canterbury, sits next to Salva Kiir, President of South Sudan, during his visit to Juba
Justin Welby, Archbishop of Canterbury, sits next to Salva Kiir, President of South Sudan, during his visit to Juba, January 30, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)
Justin Welby, Archbishop of Canterbury, sits next to Salva Kiir, President of South Sudan, during his visit to Juba
Justin Welby, Archbishop of Canterbury, sits next to Salva Kiir, President of South Sudan, during his visit to Juba, January 30, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT)