Why is Johannesburg facing a water crisis?

What can be done to tackle a water crisis in South Africa's largest city Johannesburg?

Can Somalia's army tackle jihadists when peacekeeping forces withdraw? After space debris landed in a Kenyan village we ask : will this become more common?

Presenter: Audrey Brown Producers: Sunita Nahar, Yvette Twagiramariya, Nyasha Michelle and Bella Hassan in London. Frenny Jowi in Nairobi

Senior Producer :Paul Bakibinga

Technical Producer: Gabriel O'Regan

Editors :Andre Lombard and Alice Muthengi