Ukraine war situation update | 30 May – 5 June 2026

Countries: Ukraine, Russian Federation Source: Armed Conflict Location & Event Data Detonation of drifted Ukrainian naval drone in a Romanian port adds to worries about the war’s expansion in the Black Sea. On 28 May, likely Ukrainian drones struck three crude oil tankers in Turkey’s exclusive economic zone (EEZ) — a James II tanker, recently removed from the Palau ship registry, and two Altura and ​Velora tankers registered in Sierra Leone. All three ships belong to the Russian shadow fleet, which transports Russi