Conflict in two border states has intensified and displaced thousands . Many are staying at refugee camps where hunger and disease are rampant . A Doctors Without Borders spokesman says the charity is addressing an acute emergency . South Sudan became gained independence last year .
Fighting in two border states has intensified and displaced thousands . Many are arriving at refugee camps where malnutrition and disease are rampant . A Doctors Without Borders staffer says the charity is addressing an acute emergency . South Sudan became gained independence last July .