Why are politicians being arrested in Tunisia?

Why are so many potential presidential contestants in jail ahead of October presidential polls in Tunisia?We find out why Nigerian demonstrators were waving Russian flags at protests And how a novel method of mental health therapy- the friendship bench- could be making its way to a place near you.Presenter: Audrey Brown Producers: Charles Gitonga, Susan Gachuhi and Frenny Jowi in Nairobi. Blessing Aderogba in Lagos and Nyasha Michelle and Bella Hassan in London Senior Producer:Paul Bakibinga Technical Producer: Chris Kouzaris Editors: Alice Muthengi and Andre Lombard