(KYIV, UKRAINE) – Ukraine has intensified its campaign of long range drone and missile strikes on Russian energy and industrial infrastructure, while Russia has launched what officials in Kyiv describe as the largest attack yet on Ukraine’s power grid, leaving large areas of the country in extended darkness. Ukraine has been targeting oil refineries, fuel depots, power stations and air defence systems inside Russia for several months. One of the latest confirmed strikes forced the Volgograd (Volgograd Oblast) oil refinery…