In Besieged El-Obeid, the UN Sounds a 'Red Alert' as Sudan's War Enters a New Phase
El-Obeid, Sudan
In the Sudanese city of el-Obeid, residents have learned to read the sky. Drones — sometimes as many as 40 at once, according to residents interviewed by NPR — hang over the city of roughly 500,000 people, and no place is safe from them: not homes, not the road to school, not the market, not…