Japan has pledged to work more closely with African countries at global summit on economic development. How can Africa benefit from stronger ties with Japan?

The former prime minister of Chad is facing a 20-year prison term after being convicted of hate speech, xenophobia and having incited a massacre. Who is Succès Masra and what sparked the intercommunal violence that led to the charges against him?

And did you know there are four distinct species of the African giraffe? We find out why that discovery is important for conservation.

Presenter: Charles Gitonga Producers: Tom Kavanagh, Sunita Nahar, Nyasha Michelle and Stefania Okereke Technical Producer: Pat Sissons Senior Journalist: Patricia Whitehorne Editors: Maryam Abdalla, Alice Muthengi and Andre Lombard

Focus on Africa: Exploring Africa-Japan trade ties