Why was Zambia's anti-corruption board dissolved?

Zambia’s President Hakinde Hichilema has fired the entire board of the country’s Anti-Corruption Commission after allegations that certain officials on the body tasked with fighting corruption, were taking bribes. The accusations have been strongly denied, but a former chairman says the board needs to be reformed.Ethiopia has seen a surge in kidnappings for ransom in recent years and the country’s largest region, Oromia, is one of the worst affected. Who are the groups behind the abductions and what are their motives?And how can artisanal and informal mining in sub-Saharan Africa be made safer?Presenter: Audrey Brown Producers: Nyasha Michelle in London; Blessing Aderogba in Lagos; and Charles Gitonga in Nairobi Technical Producer: Jack Graysmark Senior Producer: Patricia Whitehorne Editors: Andre Lombard and Alice Muthengi.