Chad's President Mahamat Déby has ordered an army offensive against Islamist militants after 40 soldiers were killed in an attack on a military base. But can the Chadian army defeat Boko Haram?

A Congolese asylum seeker to the US shares his story and his message to the presidential candidates.

And we hear how a TikTok game could be endangering social cohesion in Somalia.

Presenter: Audrey BrownProducers: Yvette Twagiramariya, Amie Liebowitz and Kaine Pirie in London. Charles Gitonga in NairobiTechnical Producer: Nick RandellSenior Journalist: Patricia WhitehorneEditors: Alice Muthengi and Andre Lombard