Egypt's President Abdel-Fattah el-Sissi has been elected as the chairman of the African Union at the continental body's summit in Ethiopia. Addressing the summit, Sisi said that he would focus on improving peace and security in the African continent. <br />''<br />''El-Sisi's election brings an end the one-year chairmanship of Rwanda's President Paul Kagame. Reacting to Sisi's appointment, the rights group Amnesty International said his chairmanship might undermine the African Union's human rights mechanisms. <br />''<br />