As Nigeria marks the centenary of its unification, dozens are killed in three coordinated attacks in Adamawa state. France's president pledges support in battling Boko Haram insurgents. Also, in Central African Republic, civilians are too frightened to go home at night. Our correspondants report from a camp set up by peacekeeping forces in Bangui. Finally, Cape Town really does rock: the South African city is chosen as the top tourism destination by travel buffs in the know.