South Sudan Conflict Hits Children Hard

Internally displaced boys stand next to barbed wire inside a United Nation Mission in South Sudan (UNMISS) compound in Juba, Dec. 19, 2013, four days after fighting broke out in the capital city.

A woman stands with her daughter in the Médecins Sans Frontières (MSF) clinic set up at the camp for displaced people in the grounds of the United Nations Mission to South Sudan (UNMISS) base in Juba, South Sudan, where thousands sought shelter from the clashes around South Sudan.

A young boy looks through the fence surrounding a safe place for children run by SOS Children's Villages, just outside Malakal in Upper Nile state.

Three children walk through a camp for internally displaced persons that was spontaneously set up at the United Nations Mission to South Sudan (UNMISS) base in Juba, Jan. 9, 2014.

Children play with a suitcase in a IDP camp for the Nuer ethnic group inside the UNMISS compound in Bor, South Sudan, on February 27, 2014 -- more than a month after the warring sides signed a cessation of hostilities agreement.

South Sudanese girls displaced by the fighting collect their laundry from a barbed wire in a camp for displaced persons in the UNMISS compound in Tongping in Juba February 19, 2014.

South Sudanese girls sit by a tent in a camp for displaced persons in the United Nations Mission in South Sudan (UNMISS) compound in Tongping in Juba, February 19, 2014.

A young displaced girl washes clothes alongside a row of tents in the United Nations compound in Juba,

South Sudanese children at Kiryandongo settlement camp in northern Uganda struggle to carry full jerry cans of water.

South Sudan refugees at Kiryandongo settlement camp in Uganda. Uganda has taken in more than 76,000 refugees from South Sudan since unrest broke out there on Dec. 15, 2013.