Three tankers damaged by explosions in the Mediterranean after recent visits to Russian ports -- Reuters - Sunken parts of oil tankers may contain 3,900 tons of fuel oil - Volgoneft-239 tanker being prepared for disposal after emergency - Rescuers collect 102 cubic meters of oil-water mix near Volgoneft-239 tanker in Black Sea - Denmark, choose your side: Local shipyards aid Russian tankers - French and Danish shipyards 'fixing Russian gas tankers' - Rogue Russian oil tanker: Environmental disaster averted in Germany - Pollution disposal after tankers crash to take more than three years -- expert - Two Russian oil tankers sink in Black Sea, raising pollution concerns - At least one dead as Russian tankers wrecked in the Black Sea