(Daily Mail) DIANA CHIPEPO, Lusaka THE Athletics Integrity Unit (AIU) has banned 400m runner Kabange Mupopo for four years for doping violations. According to the latest sanctions on doping and non-doping violations, Mupopo is among over 30 world athletes that have been banned. Mupopo was alleged to have taken some external substance and her ban was effective August 12, 2017 to August 11, 2021. The 400m specialist is the second Zambian runner to be banned by the AIU after United States of America-based long distance runner Jordan Chipangama