The U.S. State Department has ordered nonemergency government personnel to leave South Sudan’s capital as tension escalates because of fighting in the north.

The travel advisory level for South Sudan remains at Level 4, which means Americans should not travel to the African country.

As fears grow of a renewed full-blown civil war, the United States on Sunday ordered all its non-emergency staff to leave the country.

The United States ordered the immediate departure of non-emergency personnel from the capital of South Sudan, citing an increase in crime, kidnapping and armed conflict, the Department of State said Sunday. The travel advisory level for South Sudan remains at Level 4, which means Americans should not travel to the East African country.