In tonight's edition: at least 50 people are killed in a brutal raid on villages in northeastern Nigeria. The killings highlight the challenges in dealing with growing bandit attacks in the region. In South Africa, dozens and possibly hundreds of HIV-positive women struggle to come to terms with the physical and psychological damage from forced sterilisation. Finally, we take you to Guinea Bissau, where the interim president has resigned after just one day in office after receiving "death threats".