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.

At least one person is killed after the two tankers sustained heavy damage in the Kerch Strait, spilling oil and sparking an emergency rescue operation.

Two Russian tankers that spilled oil into the Kerch Strait after sustaining serious damage during a heavy storm on Sunday were carrying 9,200 metric tons (62,000 barrels) of oil products at the time,