Why has Mali replaced its Prime Minister?

Mali has appointed its spokesperson, Abdoulaye Maiga, as prime minister a day after firing its previous leader, Choguel Kokalla Maïga and his government. This came after rare criticism by Maïga of the junta.  What's really behind the reshuffle?Also did you know that Ethiopia is a major hub for bitcoin mining?And how the world of sport is doing its bit for the climate crisis!Presenter: Charles Gitonga Producers: Yvette Twagiramariya, Nyasha Michelle and Nishat Ladha in London. Technical Producer: Jack Graysmark Senior Journalist: Karnie Sharp Editors: Alice Muthengi and Andre Lombard