He did not identify the nationalities of the aid workers or their organization. The ambush is the latest of several attacks on aid workers in South Sudan, which is experiencing one of the largest humanitarian crises in the world. At least 12 aid workers have been killed this year and 79 have been killed since the civil war began, the U.N. statement said. Famine has been declared in two counties in South Sudan, and there is a cholera outbreak in parts of the country. The strategically located Tabqa air base is about 30 miles west of Raqqa, the Islamic State’s de facto capital in Syria.

Source: Washington Post March 26, 2017 22:30 UTC