Russia's state media say an estimated 3,700 tons of low-grade fuel oil has spilled into the Kerch Strait after two Russian ships were seriously damaged by stormy weather.

Vessel had capacity of 4,200 tonnes of oil products; another damaged tanker drifting; at least one person killed as Russia works to evacuate crew amid stormy weather

Two oil tankers carrying nearly 9,000 metric tons of mazut fuel were damaged by a storm, broke in half, sunk and caused oil spills in Kerch Strait, which separates Crimea and Russia.