The increasingly vitriolic owner of the Russian mercenary firm the Wagner Group hit out at Russia’s military elite by publishing a grim image of dozens of his fighters he said were killed after being deprived of ammunition while battling Ukrainian troops. On Wednesday, he said he launched a social media campaign to try to secure artillery shells, adding that Wagner had been reduced to begging military warehouses for ammunition, which he said was sometimes successful.  “And when Wagner are all dead then Shoigu and Gerasimov will probably have to pick up a gun