There has been renewed heavy fighting along the border between north and south Sudan. Dan Nolan, Al Jazeera's correspondent in Sudan, has seen a number of casualties from battle taken place between fighters and government forces in the oil-rich border territory of Abyei.
Sudan's governemnt has accused Darfur's largest refugee camp of harbouring rebel fighters. The Kalma camp is the only one that is permanently protected by United Nations and African Union forces, but residents fear they may be driven out as the military threatens to take action. Al Jazeera's Hoda Abdel-Hamid reports from the camp.