Skirmishes have broken out between rebel factions in Senegal’s southern Casamance region after a separatist leader was chased back there from neighbouring Guinea Bissau earlier this year, Senegal’s army said on Thursday. Salif Sadio, a hardline leader of the Movement of Democratic Forces of Casamance (MFDC), had fled to Guinea Bissau after coming under attack from rival rebel factions at home. Full Story