This photo taken on 15 June 2012 at the Jamam refugee camp shows Anima Hassan Omer cradling her granddaughter Khalifa at a Medecins Sans Frontieres (MSF) field hospital in South Sudan's Upper Nile state
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Some 120,000 people have fled the conflict in Sudan's Blue Nile state
Mortality rates in a refugee camp in South Sudan are nearly double the threshold for an emergency, Medecins Sans Frontieres has warned.
This means that about eight children are dying every day in the camp, which houses 40,000 people from the conflict in Sudan's Blue Nile state.
The medical charity said people were dying of preventable diseases because of "horrific living conditions".
Latrines have overflowed, contaminating water sources, because of heavy rains.
South Sudan seceded from Sudan exactly a year ago next Monday - as part of a deal to end years of civil war.
The aid agency International Rescue Committee says the new nation is marking its first year of independence with development at a "virtual standstill".
'Exposed on flood plain'
Jamam camp is one of three refugee camps in South Sudan's Upper Nile state where about 120,000 people have fled.
"These people have fled terrible violence in Sudan and lost family members during their arduous journeys for safety, and now they are sitting exposed in refugee camps on a flood plain and dying from preventable diseases due to horrific living conditions," Tara Newell, MSF emergency co-ordinator in Jamam, said in a statement.
She said urgent action was needed by the UN refugee agency.
