BBC Investigation reveals who shot at Kenyan protestors

In June last year, dozens of young Kenyans were killed and others wounded during days of anti -government demonstrations. The protestors wanted to occupy Kenya's parliament, to urge lawmakers not to pass a finance bill. Security forces protecting the premises opened fire at demonstrators, and at least three people were killed. No one has been held responsible for their deaths. An investigation by BBC Africa Eye shows how these protesters were gunned down.Also, how dozens of African migrants have been killed in a US air strike on a detention centre in a Houthi-controlled area in YemenAnd why South Africa is importing weevils to help fight a rapidly growing invasive plant!Presenter: Charles Gitonga Technical Producer: Francesca Dunne Producers: Blessing Aderogba in Lagos and Tom Kavanagh in London Senior Journalist: Karnie Sharp Editors: Alice Muthengi and Andre Lombard