France, Nov. 9 -- Tens of thousands of Sudanese are on the move once again, fleeing reported atrocities after the paramilitary Rapid Support Forces (RSF) captured the key western city of el-Fasher late last month.

Aid groups working on the ground say those who manage to escape are now crammed into makeshift camps in Tawila, around 70 kilometres away - a barren stretch of desert that's rapidly becoming a desperate refuge.

Videos posted by the local organisation Sudan's IDPs and Refugee Camps paint a bleak picture: children darting across dusty ground, families huddled under patched-together tarps, and adults hauling huge pots of food in the hope of stretching one meal to feed dozens.

Since the RSF's takeover on 26 October, more than 16,...