Sudan, which has descended into chaos with fierce fighting between rival generals, has lived through multiple civil wars since winning independence from Britain and Egypt in 1956
Most of the estimated 16,000 Americans believed to be in Sudan right now are dual U.S.-Sudanese nationals and only a fraction of them have expressed a desire to leave.
The state department has said it is not safe to undertake an evacuation of citizens due to due to the uncertain security situation in Khartoum and closure of the airport . Right now, the US assistance for Americans is largely limited to phone and virtual help