Ukrainian naval drones strike two Russian ‘shadow fleet’ oil tankers in the Black Sea

KYIV — Ukrainian naval drones have struck two oil tankers operating as part of Russia’s so-called “shadow fleet” in the Black Sea, in what appears to be a sharp escalation aimed at disrupting Moscow’sKYIV — Ukrainian naval drones have struck two oil tankers operating as part of Russia’s so-called “shadow fleet” in the Black Sea, in what appears to be a sharp escalation aimed at disrupting Moscow’s