Nearly 8,000 South Sudanese citizens are now seeking shelter in Sudan.
Unrest broke out in South Sudan last month amid discord between the president and his former vice president.
Half a million people were driven from their homes.
The Red Crescent is doing what it can.
(SOUNDBITE) (Arabic) SUDANESE RED CRESCENT OFFICIAL FOR 'KILO 10' ASSEMBLY CAMP', AMAN TAITAL, SAYING:
"We have managed to provide the tents and shelters. We are now arranging to provide potable water, which is not according to the international standards, but it is the same water that people like me or anyone drinks. We will use this water till our capabilities improve or we find support from a foreign agency to provide better health services according to international standards."
Some are just grateful to be safe.
(SOUNDBITE) (Arabic) SOUTH SUDAN CITIZEN, MONY KAJOUN, SAYING:
"We were welcomed here. They brought us to this place, they were accommodating and fed us, as well as providing us with Red Crescent tents and shelter. We thank them very much, thank God we are safe here and in peace."
A ceasefire deal was signed by the two parties in South Sudan last week. Now both parties accuse each other of breaching the truce.