Ryazan Kremlin, south view. Background: Cathedral bell tower, Dormition Cathedral. Foreground: wall of Transfiguration Monastery with West Gate&Church of St. John, Transfiguration Cathedral (right).

Vladimir Putin raced to the Kremlin as Russia came under attack from ... A giant explosion and fireball inferno hit the giant Ryazan Oil Refinery, 112 miles southeast of Moscow.