Report: USA wants Ukraine to refrain from attacks on Russia's energy infrastructure. Ukrainian Deputy Prime Minister sees Russian oil refineries as legitimate targets.
Warning comes as Russia launches a massive wave of attacks on Ukraine's energy Infrastructure. Several cities were without power on Friday, and Ukrainian President Volodymyr Zelensky accused Moscow of acting like "savages" The attacks follow advances by pro-Ukrainian irregulars in the Russian region of Belgorod. The price of oil has already risen by almost four percent since mid-March.