The capital of the Sudanese state North Darfur is facing an imminent catastrophe that is threatening some 800,000 people, as the paramilitary Rapid Support Forces (RSF) closes in on the last stronghold of rival Sudanese Armed Forces (SAF) following weeks of battles. Sudanese activists and international researchers warned on Thursday that the city of Al-Fashir is “about to be under siege” as the RSF gains ground in the surrounding province, terrorising villages and conducting intense bombing campaigns against the Sudanese army. RSF is attempting to gain control of the city from the SAF and have…