Trapped civilians are being refused safe passage out of el-Fasher, says the UN, and the lucky few who do escape are walking seven days to the nearest aid camp in many cases.
"These people are... malnourished - whether children or adults, dehydrated, some of them injured, and of course, all of them traumatised by the violence," Denise Brown, the UN’s Resident Coordinator for Sudan, tells BBC Newsday.