The mayor of Istanbul, who's the main political rival to President Erdogan, has been formally arrested on corruption charges. The detention of Ekrem İmamoglu triggered protests across Turkey. The court confirmed he would be held in custody pending trial. Mr İmamoglu is expected to be confirmed as a presidential candidate today. We speak to Ilnur Cevik, a member of President Erdogan's security and foreign policy council.

Also, how Uganda's health system is coping with the loss of US AID money. We hear from Dr Herbert Luswata., the president of the Ugandan Medical Association.

We hear from Romania where the supporters of the far-right politician Calin Georgescu say he should not have been prevented from taking part in coming elections.

And the lost music of the French composer Ravel gets a radio outing!

(Photo: Ekrem Imamoglu. Credit: Reuters)