Sudan's army admitted on Monday it had withdrawn from the strategic hub of El-Fasher, while the United Nations issued a stark warning over reports of "atrocities" by the paramilitary group now in control of the city.

SHOCKING images taken after the fall of El Fasher in Sudan show vast patches of red-stained sand and clusters of bodies, marking a massacre so large it is visible from space. Analysis by Yale

Sudanese rebels have driven government forces from El Fasher, the last stronghold of the country’s regime in the western Darfur region, amid a brutal struggle for territory that has led to alleged genocide and contributed to one of the world’s most severe humanitarian crises.

Fears mounted in Sudan on Tuesday, three days after paramilitaries seized the key city of El-Fasher, amid reports of mass atrocities and the killing of five Red Crescent volunteers in Kordofan.

Sudan’s paramilitary Rapid Support Forces is accused of executing dozens of people fleeing El-Fasher, the United Nations said, after the group overran the city that was the army’s last stronghold in the west of the country.

Doha: The State of Qatar condemnedthe horrific violations committed during the attacks by the Rapid Support Forces(RSF) on the city of Al Fashir,