KIGALI, July 18, 2016 (Xinhua) -- President of the Republic of Chad and rotating African Union chairperson Idriss Deby (C), President of Rwanda Paul Kagame(R) and Chairperson of the African Union Commission (AUC) Nkosazana Dlamini-Zuma (L) attend the closing ceremony of the 27th ordinary session of the AU Heads of States, in Kigali, Rwanda, on July 18, 2016. Nkosazana Dlamini-Zuma, the current chair of the African Union Commission (AUC), is to retain her job as head of the regional bloc as elections to elect her successor failed to produce a result when the AU summit ended here Monday. (Xinhua/Pan Siwei)