Why are buildings collapsing in Uganda?

Africa Daily - A podcast by BBC World Service

At the beginning of November, at least 45 people died when a luxury development collapsed in Lagos. But, there have been similar problems reported in other parts of the continent. There is a construction boom in Kampala, but across Uganda at least 17 buildings have collapsed since January. So, what’s going on? And how can construction be made safer?#AfricaDaily