Opposition wins election in Botswana

Botswana's President Mokgweetsi Masisi concedes defeat, marking the end of rule for the Democratic Party (BDP). What went wrong for the party that has been in power since independence in 1966?Plus, we hear from the Kenyan activist Boniface Mwangi, who says government tactics to silence critics are from a bygone era.And the separatist Indigenous People of Biafra (IPOB) group, that is seeking to break away from the rest of Nigeria, has been in court to reverse its designation as a terrorist organisation. But what is the history behind the movement, and will they ever achieve their aims?Presenter: Audrey Brown Producers: Yvette Twagiramariya and Nyasha Michelle a in London. Charles Gitonga in Nairobi, and Blessing Aderogba in Lagos Technical Producer: Francesca Dunne Senior Journalist: Patricia Whitehorne Editors: Alice Muthengi and Andre Lombard