Sudan's army ruler Wednesday called on protest leaders to resume talks on the transfer of power without any conditions, as tension between the two sides persists after the bloody dispersal of demonstrators.

Fallen Sudanese leader Omar al-Bashir was Sunday seen in public for the first time since being ousted, as he was driven in an armed convoy to the prosecutor's office.

Ousted Sudanese leader Omar al-Bashir will appear in court next week to face charges of corruption and possessing foreign currency, the country's acting prosecutor general told reporters on Saturday.

Shops and restaurants began to reopen in Sudan's capital Wednesday after demonstrators called off a nationwide civil disobedience campaign and agreed to new talks, though many residents remained indoors after last week's deadly crackdown.

Demonstrators remain camped out in the soaring heat of Khartoum calling for civilian rule three weeks after the military ousted veteran leader Omar al-Bashir.

Sudan's military rulers and an opposition alliance met on Monday to discuss the powers of a joint military-civilian council to steer the country's transition after three decades of rule by Omar al-Bashir

Sudan's ruling Transitional Military Council (TMC) warned on Monday against protestors blocking roads and limiting the movement of citizens as protests continued after president Omar al-Bashir was forced from power.

Protest leaders are to hold talks Saturday with Sudan's military rulers who have so far resisted calls to transfer power to a civilian administration, two leading figures in the protests told AFP.

The Sudan People's Liberation Movement-North, a rebel group in the states of Blue Nile and South Kordofan, said on Wednesday it was ceasing all hostilities until July 31 as a "goodwill gesture" after the overthrow of president Omar al-Bashir.

Sudan's military rulers have transferred ousted president Omar al-Bashir to prison, a family source said Wednesday, as demonstrators keep up their sit-in outside the army complex calling for a swift transfer to civilian government.

Sudanese protest organisers presented demands including the creation of a civilian government in talks with the country's new military rulers late Saturday, the group spearheading demonstrations said.

Sudan's second new military leader in as many days accepted the resignation of the feared intelligence chief on Saturday as he faced calls at home and abroad for a swift handover to civilian rule.