South African Home Affairs Minister Nkosazana Dlamini-Zuma was elected on Sunday to become the first female head of the African Union (AU) Commission, ending a bruising leadership battle that had threatened to divide and weaken the organisation. Cheers broke out at the AU's soaring, Chinese-built steel and glass headquarters in the Ethiopian capital Addis Ababa as supporters of President Jacob Zuma's ex-wife celebrated her victory over incumbent Jean Ping of Gabon.