As Sudan prepares for national elections set for April 11, tensions are rising as some opposition groups call for a postponement of the poll date and threaten to boycott the vote.
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.