Madagascar drought: Millions suffer as water supplies dry up Egypt: Bus falls into canal in Nile Delta, killing at least 21 DR Congo violence: Government forces losing ground to M23 group Second contingent of Kenyan troops arrive in DRC to help battle rebels Language proposal stirs thorny debate in troubled Mali Egypt: Imprisoned activist calls off hunger strike Nigerian social entreprise encourages citizens to swap waste for cash Climate change induced by human activity behind floods in Nigeria Kenya weighs GMOs as drought worsens food shortages Feared ritual dancers in Zimbabwe try to revamp public image