The spokesperson of the British Government for the Middle East and North Africa, Ms. Alison King, has congratulated in a statement Wednesday the Sudanese people on the political agreement between the Forces of the Declaration Freedom and Change.
As they marched, the demonstrators shouted slogans that have been the rallying cries of the uprising that led to the toppling in April of longtime dictator Omar al-Bashir: "Civilian rule, civilian rule!" and "Freedom, peace, justice!"
Sudan's ruling generals and protesters inked a deal on Wednesday aimed at installing a civilian administration and breaking months of political deadlock.
But protesters have continued to take to the streets against the military council that took power in his place, calling for a transition to a civilian-led government.
Another protest leader, Siddig Youssef, also confirmed that talks had been suspended.
In January, three months before the military overthrew and detained him, Bashir held a rally in the Green Square, accusing the protest movement of being foreign agents and challenging them to seek power through the ballot box.More news: England Skipper Eoin Morgan Calls World Cup Final Result Unfair
The 11-member governing body, called the Sovereign Council, will be composed of five military personnel chosen by the TMC and five civilians selected by the FFC.
The agreement signed Wednesday at a ceremony broadcast by state TV stems from a meeting last month brokered by the US and Britain, which support the protesters, and Egypt, Saudi Arabia and the United Arab Emirates, which back the military.
"If the Transitional Military Council remains stubborn then it will be a rock in the road of an agreement as all members of the protest movement refuse absolute immunity", Salih said, referring to the ruling generals.
Sudan's opposition has raised skepticism about the recently signed power sharing deal.
The most heated issue is expected to be the TMC's demand for "absolute immunity" from prosecution for the military figures who will be part of the new joint governing body.
Some FFC members rejected the deal, saying it does not fulfil protesters expectations.More news: Prince George turning 6 as United Kingdom palace releases new photos
More broadly, Sudan's security forces see themselves as the country's natural rulers and want to protect their sprawling economic interests.
"[The generals'] natural tendency is to surrender nothing and to maintain.the last word in all matters of the state - which was the situation under Bashir essentially", Magdi El Gizouli, a fellow at the Rift Valley Institute, told Reuters.
"Changing this arrangement is a formidable task". These could flare again if political turmoil continues. Of a population of 44 million, more than five million people are in need of assistance and almost two million displaced, according to the United Nations.
The RSF grew out of Arab militias accused of carrying out atrocities in Sudan's western region of Darfur.
Witnesses say the crackdown against the demonstrators was led by the Rapid Support Forces (RSF) paramilitary group.
European powers and Egypt are concerned about potential northward flows of migrants from Sudan, which is on one of the transit routes toward the Mediterranean.More news: Death Toll Rises to 12 from Central China Gas Factory Blast