- Summary - Companies - Putin marks 70th birthday with prayers, little public fuss - Nobel Peace Prize goes to Ukraine, Russia, Belarus activists - Russia's eastern commander fired as defeats mount -RBC KYIV, Oct 7 (Reuters) - Russian President Vladimir Putin marked his 70th birthday with little fanfare and a decree targeting a crucial Western energy investment, as signs grew that key parts of his Ukraine invasion were unravelling to trigger unprecedented criticism at home.News programmes made only glancing references to Friday's event and celebrations were low-key - in contrast to just a week ago, when Putin held a huge concert on Red Square to proclaim the annexation of nearly a fifth of Ukrainian land.In his latest salvo at Western businesses, Putin signed a decree creating a new operator for Exxon Mobil Corp's (XOM.N) largest investment in Russia, the Sakhalin-1 oil and gas project.Russian Orthodox Patriarch Kirill, a vocal supporter of the war, led Putin's birthday tributes with a prayer for god to grant him health, longevity, and deliverance from "visible and invisible enemies".Ramzan Kadyrov, the leader of Chechnya, a once-breakaway region Putin reconquered two decades ago, congratulated "the number one patriot in the world"."