and displaced people in and around Khartoum, some of whom face torture. The rebel groups have also been accused in a report issued by the U.S. government of attacking humanitarian workers and of killing innocent civilians. According to UNICEF, in 2008, there were as many as 6,000 child soldiers in Darfur. Disputed areas and zones of conflict In April 2012, the South Sudanese army captured the Heglig oil field from Sudan, which the Sudanese army later recaptured. Kafia Kingi and Radom National Park was a part of Bahr el Ghazal in 1956. Sudan has recognised South Sudanese independence according to the borders for 1 January 1956. The Abyei Area is disputed region between Sudan and South Sudan. It is currently under Sudanese rule. The states of South Kurdufan and Blue Nile are to hold "popular consultations" to determine their constitutional future within Sudan. The Hala'ib Triangle is disputed region between Sudan and Egypt. It is currently under Egyptian administration. Bir Tawil is a terra nullius occurring on the border between Egypt and Sudan, claimed by neither state. Administrative divisions Sudan is divided into 18 states (wilayat, sing. wilayah). They are further divided into 133 districts. Regional bodies In addition to the states, there also exist regional administrative bodies established by peace agreements between the central government and rebel groups. The Darfur Regional Government was established by the Darfur Peace Agreement to act as a co-ordinating body for the states that make up the region of Darfur. The Eastern Sudan States Coordinating Council was established by the Eastern Sudan Peace Agreement between the Sudanese Government and the rebel Eastern Front to act as a coordinating body for the three eastern states. The Abyei Area, located on the border between South Sudan and the Republic of the Sudan, currently has a special administrative status and is governed by an Abyei Area Administration. It was due to hold a referendum in 2011 on whether to be part of South Sudan or part of the Republic of Sudan. Economy In 2010, Sudan was considered the 17th-fastest-growing economy in the world and the rapid development of the country largely from oil profits even when facing international sanctions was noted by The New York Times in a 2006 article. Because of the secession of South Sudan, which contained about 75 percent of Sudan's oilfields, Sudan entered a phase of stagflation, GDP growth slowed to 3.4 percent