Mexican President has Covid-19

President López Obrador, who is 67, said on Twitter that he was "optimistic" following the diagnosis. The news comes as Mexico grapples with an upsurge in infections, with deaths nearing 150,000. We go live in Mexico for the latest.

In Russia thousands were detained this week-end after marching against the detention of Alexei Navalny. We speak to a member of the opposition.

And BBC Africa Eye reports on the private investigative industry in Kenya which is secretive and worth millions of dollars.