Who is behind the border attack in Benin?

Benin forces have suffered heavy losses in an attack which the military chief described as 'a heavy blow'. The assault happened at one of Benin's most well-equipped military positions. So who was behind the attack and what does it tell us about Benin's security preparedness?Also in the podcast, after São Tomé and Príncipe's president fired the prime minister accusing him of failing in his job, are political tensions on the verge of being ignited in the central African island nation?And why is the South African government not able to provide better reliable water and sanitation? We hear from the deputy minister responsible for Water and Sanitation.Presenter: Audrey Brown Producers: Yvette Twagiramariya, Amie Liebowitz and Sunita Nahar in London Senior Producer: Patricia Whitehorne Technical Producer: Frank McWeeny Editors: Andre Lombard and Alice Muthengi