Fighting has intensified in Sudan's capital, Khartoum, shattering the latest ceasefire aimed at allowing people to flee to safety, reports BBC.
On Sunday the army said it was attacking the city from all directions, with air strikes and heavy artillery, to flush out its paramilitary rivals.
The latest truce was due to end late on Sunday. Millions remain trapped in the capital, where food is running short.
More than 500 people have been reported killed since fighting erupted on April 15 between the regular army and the Rapid Support Forces (RSF). But the number of dead and injured may be much higher.
Army commander Gen Abdel Fattah al-Burhan and RSF chief Gen Mohamed Hamdan Dagalo, better known as Hemedti, are vying for power - and disagree in particular about plans to include the RSF into the army.
Foreign countries have been evacuating their nationals amid the chaos.
Bd-pratidin English/Golam Rosul