South Sudan’s use of improvised air-dropped incendiary weapons has killed and horrifically burned dozens of people, including children, and destroyed civilian infrastructure in Upper Nile state.

"We are witnessing alarming regression that could erase years of hard-won progress," says UN Human Rights Commission.

Aid teams in South Sudan warned on Tuesday that repeated attacks on healthcare including the bombing of a hospital in eastern Jonglei state at the weekend are just the latest of the “multiple vulnerab...