Is peace in Sudan unravelling?
As South Sudan prepares for independence celebrations next month, human rights organisations are warning of a humanitarian catastrophe as thousands flee from fighting in the border regions of Abyei and South Kordofan.
Amnesty International has told the BBC it suspects the north of conducting a campaign of ethnic cleansing targeting groups allied to the south on both sides of the border - something the government in Khartoum has denied.
North and south Sudan are reported to have agreed in principle to demilitarise the disputed border region of Abyei. A spokesman for the African Union said the outline agreement provided for an Ethiopian peacekeeping force to be deployed in the area.
But the mandate of such a force and other outstanding issues such as oil revenues from the northern state of South Kordofan remain on the table. What impact will all this have on South Sudan's independence?
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