The story behind Angola's deadly fuel protests

What is behind this week's deadly fuel protests in Angola? Several people were killed in Huambo, as taxi drivers demonstrated against a sharp rise in petrol prices.<br /> <br /> In Nigeria: calls for an investigation into the mystery of a vanishing plane.<br /> <br /> And a chat with Uganda's first wildlife vet Dr Gladys Kalema-Zikusoka. What does she do and why did she choose that career?