Russian army extensively advances in Kupyansk direction -- expert / Russian troops developing an offensive in the south of the DPR -- Defense Ministry / 'Propaganda lessons for everyone': Russia's wartime curriculum exposed / Russian military engaged in tough battles with Ukrainians in Kharkov Region -- official / Russian troops liberate DPR's Leninskoye, Makarovka / Russian troops fight for native Russian territories during special op -- Putin / ISW: Russian military pursues dual tactical efforts around Pokrovsk / Russian military trained to strike UK cities with nuclear missiles on dawn of WW3, secret docs reveal / Russian troops training to destroy Western-made weapons -- top brass / ISW: Russian military regroups forces near Vovchansk for renewed assaults