The military reinstated Prime Minister Abdalla Hamdok on Sunday and promised to release all political detainees after weeks of deadly unrest triggered by a coup, though large crowds took to the streets to reject any deal involving the army.
The deal signed with military leader General Abdel Fattah al-Burhan faces opposition from pro-democracy groups that have demanded full civilian rule ever since Bashir was ousted and have been angered by the deaths of dozens protesters in the weeks following the Oct. 25 coup.
A hero for the protest movement, Hamdok quickly became the villain for some.
Tens of thousands of people joined scheduled rallies in the capital Khartoum and its twin cities of Omdurman and Bahri.
Security forces fired bullets and tear gas to disperse them, witnesses said.