Hundreds of people in Sudan blocked the main roads of Khartoum, the capital, in protest at police crackdown on opposition demonstrations.
All warring parties have gathered in the Sudanese capital Khartoum to sign a power-sharing agreement, with the objective of ending months of unrest and paving the way for civilian rule in the country.
Sudanese protest leaders have said they have accepted the creation of a civilian-majority governing body for a political transition in Sudan as proposed by an Ethiopian envoy.
The delicate negotiations between Sudanese government and the opposition under the auspices of the African Union in Ethiopia's capital, Addis Ababa, have been suspended.
The National Assembly of Sudan on Wednesday approved a new election law, giving a new interpretation to the terms "political party and political alliance".