Bomb Explodes at Russian Refinery VOA News05 Jun 2004, 12:12 UTC Authorities in Russia say a bomb ripped through an oil tank at a refinery in the Stavropol area Saturday, causing extensive damage but no casualties. The 5,000-ton oil tank was about one-third full when explosives detonated beneath it, setting off a blaze that took four hours to control. Authorities say a second timebomb was found at the scene, but it failed to explode. The device was planted beneath a second tank at the Neftekumsk refinery, set to explode one hour after the first bomb. There is no information...