Sudan’s paramilitary Rapid Support Forces and allies on Sunday signed a charter that paved the way for the establishment of a parallel government, as Sudan's army made advances recently against the rival groups.

Sudan's army said on Sunday it had seized back control of the town of el-Gitaina, just south of the capital, from the Rapid Support Forces (RSF) and broken the paramilitary group's siege on the strategic city of el-Obeid to the west.

Sudan's army and allied groups could face formidable battlefield challenges if the recent political agreement between the paramilitary Rapid Support Forces (RSF) and a powerful faction of a southern rebel group becomes a military alliance,