A constitutional leadership crisis threatens to tear Nigeria apart.
With the elected president, Umaru Yar'Adua absent since November the parliament has handed power to Goodluck Jonathan, the vice-president.
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.