What is behind armed attacks in Burkina Faso?

In a rare move, Burkina Faso’s military-led government has acknowledged that a deadly attack has taken place in which at least 200 security officers and villagers were killed. Some reports say it could be one of the worst ever in the country. So who was behind the attack and why is the military government unable to contain the violence?Zambia faces a maize contamination crisis as aflatoxins – produced by certain mould and fungi - kill dozens of dogs, sparking health concerns. How can communities keep their food safe? And what sparked the massive fallout at at the top of South Africa's opposition Economic Freedom Fighters (EFF) that has led to the departure and defection of the party’s deputy leader.Presenter: Charles Gitonga Producers: Bella Hassan and Yvette Twagiramariya in London. Susan Gachuhi in Nairobi Technical Producer: Jonny Hall Senior Producer: Patricia Whitehorne Editors: Alice Muthengi and Andre Lombard