SOWETO, South Africa—Concerns over vote rigging and other irregularities hung over the ruling African National Congress, as it prepared to elect a new party leader to succeed scandal-plagued President Jacob Zuma and chart the future course of Africa’s most developed economy. The ANC said Sunday it disqualified nearly 500 delegates from voting at its leadership conference because their credentials couldn’t be verified or had been struck down by courts. The move confirmed concerns among officials and analysts that factions...

Source: Wall Street Journal December 17, 2017 13:20 UTC