The massacres carried out by the RSF in El Fasher, Darfur, with the support of its UAE sponsors, will only stop when the international community acts, says Guardian columnist Nesrine Malik

Paramilitary Rapid Support Forces captured the city from the army after an 18-month siege – but who are they and what do they want?

Reports of indiscriminate violence and ethnic targeting in El Fasher has led to growing global outrage