Prigozhin's Alleged Coup: What is going on in Russia?

Wagner PMC's leader Yevgeny Prigozhin has allegedly started a coup in Russia. The Russian army is blocking streets in Rostov and a highway to Moscow. General Surovikin addressed the Wagnerites urging them to not participate in the "mutiny". The European Resilience Initiative Center analysed pouring information bits and pieces seeking to understand what is going on and if Russia's propaganda is in the game.