Sudan's military has consolidated its grip on Khartoum, retaking more key government buildings a day after it gained control of the capital's Republican Palace from a notorious paramilitary group.

Sudan’s army is close to taking control of the Presidential Palace in Khartoum from the paramilitary Rapid Support Forces, state TV reported on Thursday, in a significant milestone in a two-year-old conflict that threatens to fracture the country.

Two years into a civil war, troops recaptured the palace in Khartoum, routing a paramilitary foe. Civilians have been trapped in the middle in a city with an apocalyptic air.

The war in Sudan appears to be reaching a critical juncture after nearly two years of fighting that has killed tens of thousands, driven millions from their homes and spread famine.

Sudan, which has been in the grip of a two-year-old war between the army and a paramilitary group, has a history of civil wars, military takeovers and rebellions. The Sudanese army said on Friday it had gained full control of the Presidential Palace in Khartoum,