The world’s richest person, South African born Elon Musk, has acquired the social media platform in a $44bn deal. What will his takeover of Twitter mean for users and freedom of speech on the site? Plus, following the deaths of at least 100 people from an explosion at an illegal oil refinery in Nigeria’s Imo State, environmental groups allege hundreds of dangerous operations exist and some even with the collusion of security services. And Africans in a camp at Calais in northern France, fear what a new Nationalities and Borders Bill in the UK could mean and are concerned about the prospect of being deported to Rwanda.