Fierce fighting broke out again Monday between the army and paramilitaries despite the formal extension of a truce, after the United Nations warned the humanitarian situation reached "breaking point".
More than 500 people have been killed since battles erupted on April 15 between Sudan's de facto leader Abdel Fattah al-Burhan, who leads the regular army, and his ex-deputy Mohamed Hamdan Daglo, who commands the powerful paramilitary Rapid Support Forces.
Millions of Sudanese around the capital have since hidden in their homes with dwindling food, water, and electricity as warplanes on bombing raids have drawn heavy fire from anti-aircraft guns.
Burhan and Daglo have agreed multiple, poorly observed ceasefires, and extended the latest formal truce on Sunday by 72 hours, with each side repeatedly blaming the other for the frequent violations.
Millions of Sudanese are trapped in the country, where aid workers are among the dead, humanitarian facilities have been looted, and foreign aid groups have been forced to essentially halt all aid operations.
"The humanitarian situation is reaching breaking point," he said. "Goods essential for people's survival are becoming scarce in the hardest-hit urban centres, especially Khartoum."
"The cost of transportation out of worst-hit areas has risen exponentially, leaving the most vulnerable unable to locate to safer areas."
- 50,000 flee overland -
The fighting has also triggered a mass exodus of foreigners and international staff, with countries the world over launching frantic evacuations by land, sea, and air.
Daglo's RSF is descended from the Janjaweed unleashed by former strongman Omar al-Bashir in Sudan's Darfur region, leading to war crimes charges against Bashir and others.
Further complicating the battlefield, Central Reserve Police were being deployed across Khartoum to "protect citizens' properties" from looting, the Sudanese police said, confirming an army statement.
The RSF had warned police against joining the fight.
- UN facilities looted -
At least 528 people have been killed and almost 4,600 people wounded in the violence, according to Sudan's health ministry, but the death toll is feared to be far higher.
At least 96 people were reported killed in El Geneina, West Darfur, the UN said.
The UN World Food Programme has warned the unrest could plunge millions more into hunger in a country where 15 million people already needed aid to stave off famine.
On Sunday, a first Red Cross plane brought eight tonnes of humanitarian aid from Jordan to Port Sudan, which is so far untouched by the fighting and has served as an evacuation hub.
The aid included surgical material and medical kits to stabilise 1,500 patients.
An envoy of Burhan's met on Sunday in Riyadh with the Saudi Arabian Foreign Minister Prince Faisal bin Farhan, who called for the restoration of calm in Sudan, his ministry said.
Egypt has called an Arab League meeting of its permanent delegates Monday to discuss the "situation in Sudan".
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© Agence France-Presse
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