Many were uprooted by the state-backed Arab tribal militias – later repackaged as the RSF – which crushed a mostly non-Arab rebellion in Darfur in 2003.

Source: https://www.aljazeera.com/news/2023/12/24/sudans-civilians-pick-up-arms-as-rsf-gains-and-army-stumbles?traffic_source=rss

U.N. officials have said the violence in the region has recently taken an ethnic dimension, with the RSF and Arab militias reportedly targeting non-Arab tribes in Darfur, a sprawling region consisting of five provinces.

Source: https://www.politico.com/news/2023/07/09/sudan-africa-war-united-nations-00105315