Chad: Why are the election results being challenged?

Chad’s opposition leader, Succès Masra says he is challenging the preliminary results of the recent presidential election. Preliminary results show President Mahamat Deby won with just over 61% of the vote and the runner-up Succès Masra had just over 18%. So why are the results being challenged? Also why are South Africans enjoying a sustained period of electricity supply? Is it because of upcoming elections or has the main electricity supplier Eskom, changed things around? Former CEO of Eskom, Andre De Ruyter shares his view with Audrey. And why do Kenyans think that the song "Zakayo" by Tanzanian gospel singer Christina Shusho is really about them?Presenter: Audrey Brown Producers: Victor Sylver, Rob Wilson, Bella Hassan and Richard Kagoe Senior Journalist: Karnie Sharp Technical Producer: Chris Ablakwa Editors: Andre Lombard and Alice Muthengi