Sudan has been embroiled in conflict since April of last year, when tensions between the armed forces and the paramilitary RSF erupted into open warfare. The recent military action marks a significant development in the ongoing conflict. Obeid is a crucial city in Sudan. - Sudan's military successfully broke the siege of Obeid, a crucial city that had been under siege for over a year. - The Rapid Support Forces (RSF) were ousted from their last stronghold in the White Nile province, marking a setback for the paramilitary group. - The military's advances come after the RSF signed a political charter, suggesting potential shifts in the political landscape. - The conflict in Sudan began in April of last year due to simmering tensions between the armed forces and the RSF.