Ukraine's military said on Tuesday that its drones struck eight tankers from Russia's 'shadow fleet' overnight as they were delivering fuel to Crimea.

Ukraine's Unmanned Systems Forces struck two tankers carrying petrol from Taganrog to occupied Crimea in the Sea of Azov on the night of 5-6 July. On land, they hit two S-400…

The vessels transport petroleum products between refineries and deliver fuel for military and civilian use.