S. Africa's ruling party's national conference closes, new leader calls for unity

South African President Jacob Zuma attends closing of the country's ruling party African National Congress (ANC)'s national conference in Johannesburg, South Africa, Dec. 21, 2017. The ANC's national conference closed here Thursday, and the party's newly elected leader Cyril Ramaphosa called for the party's members to unite and accept the results of the conference. (Xinhua/David Naicker)