The Department of State warns U.S. citizens against all travel to Sudan. In addition to the ongoing civil war that affects both southern and eastern Sudan, the government of Sudan`s control over its police and soldiers may be limited. Fighting continues between Sudanese government forces, the Sudan Peoples` Liberation Army (SPLA), and various militias in the south of the country, including in the oil-producing region of Upper Nile. Rebels have made threats against foreigners working in the oil industry in Upper Nile. In addition, there is rebel activity around Kassala, in Southern Blue Nile, and in the Nuba Mountains. At least one American relief worker has been beaten and falsely accused of espionage. Other Americans have been held hostage. Travel into opposition-held areas of Sudan requires a specific travel permit from the SPLA or other rebel movement controlling the territory. Full Story