Barrier built around Sudan’s el-Fasher city

An extensive earthen wall is being built around the besieged Sudanese city of el-Fasher. Researchers from Yale University say it is intended to trap people inside.

Why is there a rapidly growing demand for solar panels in Africa?

And we meet Iris- the teaching robot in South Africa.

Presenter: Audrey Brown Producers: Charles Gitonga in Nairobi, Mark Wilberforce, Yvette Twagiramariya and Sunita Nahar in London. Senior Producer: Paul Bakibinga Technical Producer: Jonathan Greer Editors: Maryam Abdalla, Andre Lombard and Alice Muthengi