The U.S. State Department on Sunday ordered nonemergency government personnel to leave South Sudan’s capital as tension escalates because of fighting in the north. The travel advisory issued on Sunday stated that fighting was ongoing and that “weapons are readily available to the population.

The United States has ordered all its non-emergency staff in South Sudan to leave, amid rising tensions in the country. Fighting in recent days has threatened an already fragile peace deal between President Salva Kiir and Vice-President Riek Machar.

Uganda has deployed an unknown number of troops to South Sudan in a bid to protect the fragile government of President Salva Kiir as a tense rivalry with his deputy threatens a return to civil war in the east African nation.