Last week Russian opposition politician Alexei Navalny was taken seriously ill on a flight to Moscow. Poisoning is suspected, and he remains in a coma in Germany undergoing treatment. But who is Navalny and what does he stand for? We speak to BBC Russian editor Famil Ismailov to get a closer look at Putin's biggest political rival.

In praise of mariachi
In Mexico City, Plaza Garibaldi is the heart of mariachi music, where flamboyantly suited, sombrero-wearing musicians entertain drinkers and diners alike. But the Covid-19 lockdown also shut down mariachi, and led to mariachi band protests across Mexico. BBC Monitoring contributor Marcos Martínez Chacón explains what mariachi means to him and Mexicans.

Image: Alexei Navalny's face is green after an attack with antiseptic dye
Credit: BBC/Navalny.com