The eastern city has seen months of intense fighting, as Wagner and regular Russian troops try to seize it. "What if they [the Russian authorities] want to set us up, saying that we are scoundrels - and that's why they are not giving us ammunition, not giving us weapons, and not letting us replenish our personnel, including [recruiting] prisoners?"In Saturday's video, Mr Prigozhin also said Russia's front line would collapse without his troops. Separately, Moscow's Mr Shoigu has visited the occupied city of Mariupol during a trip to eastern Ukraine - a year after his troops besieged the city