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

Russian oil tankers began sinking near the Kerch Strait on December 15. They set out to sea without complying with navigation requirements, the Ukrainian media Suspilne reports, citing Dmytro Pletenchuk,