Analysis: After 15 months of fighting with the paramilitary Rapid Support Forces, Sudan's army is looking increasingly weak and capable of being defeated.
Analysis: Moscow's policy of supporting both Sudan's army and the Rapid Support Forces makes a political resolution to the conflict even more complicated.
In-depth: The Rapid Support Forces have surrounded and besieged the Sudanese army's last Darfur holdout in El Fasher - a city gripped by famine and fear.
Analysis: Despite being widely resented, the RSF's military dominance and its accord with civilian leaders means it will play a key role in Sudan’s future.