Microsoft founder, Bill Gates says that most of his fortune will be spent on improving health and education services in Africa over the next 20 years. The 69-year-old said, "by unleashing human potential through health and education, every country in Africa should be on a path to prosperity". He also tells us what he makes of online attacks against his philanthropy.

Also, we hear about the devastating impact of war on Sudan's children

And how an automated system is protecting birds in South Africa.

Presenter: Audrey Brown