An influential group of South Sudanese politicians added their voices to rising concerns, warning that the country was "on the edge of a precipice".
The recommendation is found in a report compiled by an organisation founded by actor George Clooney and human rights advocate John Prendergast.
MTN cuts jobs, scratchcards to survive South Sudan crisis as inflation hits 266%, highest official rate in world
“We have made losses since we started operating in 2011” - MTN's Khumbulani Dhlomo
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Leicester City had a 5,000 to one chance of winning the English league title. The past week has taught us that very improbable things do happen
In South Sudan Kiir and Machar kick off ‘new’ rule with 240% inflation, empty coffers, and a mountain of problems
“Remilitarising Juba - having the armed forces of the two contending parties in the city - is insane”
Rebel no more: Machar sworn in as South Sudan vice-president after return to capital, Kiir apologises for war
"I am very happy to welcome and warmly receive my brother Dr. Riek Machar," said archrival President Kiir
UPDATE: U.S pulls funding for Machar return, as all hold their breath to see if he'll make Monday show
However, there was a “further lack of action” to arrange flights for Monday, the British Embassy in Juba said in a statement on its Facebook page
UPDATE: Diplomats say 'unbelievable' S. Sudan peace deal hangs on dispute over just two dozen weapons
The latest stumbling block to Riek Machar's big return concerned the number of machine guns and rocket-propelled grenades his men are allowed to carry
Machar still stays away as South Sudan power deal hit by row over troops, arms. US slams rebel leader
The rebel movement is also supposed to contribute 1,500 police to a joint force for the capital
UPDATED: S. Sudan rebel chief Machar postpones return until further notice, wanted to come with 'heavy weaponry'
There are almost 1,400 rebels already in the capital as part of a security arrangement for Machar
Ethiopia has been heavily involved in the South Sudan peace process because of the risk that the conflict could destabilise Gambella
Machar has said he’ll travel to the city on April 18 to assume the role of vice president in a transitional government led by rival President Kiir
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Botswana managed its diamond wealth better. It resisted the temptation of going on a spending spree as a result of the new-found wealth
President Salva Kiir and Machar in August signed a peace deal that committed them to a transitional administration.
The conflict in South Sudan has led to "one of the most horrendous human rights situations in the world"
Men, women, children have been shot, speared, burned, castrated, hung, drowned, run over, suffocated, starved and blown up- the dead could be 300,000.
Some two million people have been driven from their homes in the war, now in its third year
The judge set bail for each at the $15 million they are accused of stealing – they couldn’t pay and remain in custody
“Incumbency is a big problem [in Africa]. It’s really hard to take them down because they use state machinery to their advantage"