Africa

UN envoy urges halt to fighting in Darfur as Sudan readies for polio vaccination scheme

As Sudan grapples with the third-highest rate of polio cases in the world, the senior United Nations envoy to the country has urged the warring parties in the conflict engulfing its Darfur region to halt their fighting next week so that a three-day campaign to vaccinate nearly six million children against the disease can take place safely.