Two prominent journalists in Ethiopia, Abdulsemed Mohammed and Yonas Amare, have been missing for more than a week after being abducted by what reports say, were men wearing masks and military uniforms. There has been no news about their whereabouts but their disappearances have raised concerns about a crackdown on media freedom in the country.

Aid agencies warn that a surge in the number of people with the respiratory illness diphtheria is becoming 'the most urgent and dangerous threat' to public health in Somalia. Why are cases of the disease increasing?

And how the conflict on the ground in Sudan is affecting migratory birds in the sky.

Presenter: Audrey Brown Producers: Tom Kavanagh and Nyasha Michelle in London. Richard Kagoe in Nairobi Technical Producer: Francesca Dunne Senior Journalist: Patricia Whitehorne Editors: Maryam Abdalla, Alice Muthengi and Andre Lombard