The trial of Paul Gicheru, a Kenyan lawyer accused of bribing prosecution witnesses of the International Criminal Court has started in The Hague. The arrest of Nigerian "super cop" Abba Kyari on drug-trafficking charges has laid bare the "public bickering" between two of Nigeria's law enforcement bodies, an analyst told the BBC. Commander Abba Kyari is accused of trying to recruit fellow officers into a drug plot. Plus we talk to Syriacus Buguzi, a Tanzanian medical doctor turned journalist, he tells us why he started the first science and technology newspaper in Swahili language.