How many estimated refugees have fled to eastern Sudan? [br] [originaltext]

(6)The Sudanese government will issue work permits to some 30,000 of an estimated 80,000 refugees who have fled to eastern Sudan from neighboring nations in conflict, a major step toward meeting humanitarian needs in the region.(7)The United States welcomes the announcement, which will give thousands of refugees a chance to improve their living conditions and take part in the Sudanese economy. In recent years, some refugees have become victims of kidnapping and human trafficking. With permission to work, their reliance on humanitarian aid may decrease.