Kenya's Interior Security Minister Joseph Lenku has been fired, while the country's Police chief David Kimaiyo has resigned hours after 36 people were killed in a terror attack in Mandera, on the border with Somalia. Militant group Al shabab say they attacked the quarry on the border with Somalia ten days after they shot dead 28 passengers in the same town. Senior Researcher on International Crime in Africa Programme at the Institute for Security Studies, Anneli Botha.