– Economic woes –
The Umma Party’s call for members to join the protest movement came after its leader Sadiq al-Mahdi returned home Wednesday from almost a year in exile.
Sudan has been facing a mounting economic crisis over the past year.
The cost of some commodities has more than doubled, inflation is running at close to 70 percent and the pound has plunged in value.
Shortages have been reported for the past three weeks across several cities, including Khartoum.
Protests broke out in January over the rising cost of food, but they were soon brought under control with the arrest of opposition leaders and activists.