Poisoned opposition leader Navalny detained in Russia

Alexei Navalny was detained at an airport after flying back to Moscow from Germany, five months after he was nearly killed by a nerve agent attack.

We hear why international oil companies are selling assets in Nigeria.

And we hear from a spokesperson for Bobi Wine, the opposition candidate in Uganda's election - won last week by the long-standing incumbent, Yoweri Museveni. Bobi Wine is still under house arrest - and the country's internet blackout continues.