Activists say the spill - caused after two ships ran were battered by a storm - could cover an area of 400 sq km.

Vast stretches of Russian coast have been tarred by heavy fuel oil from two freighters that foundered in a storm.

Ukraine has accused Russia of a cover-up over the spill of thousands of barrels of oil from two tankers that split in two ...

Russia has suffered more than any other country so far from the Kerch Strait accident," Dmitry Markin of Greenpeace said. "However, the majority of the leaked fuel oil is still in the sea.

Russian officials say rescue workers have successfully removed almost 1,500 tons of oil stranded onboard a tanker that ran ...

Up to 5,000 tonnes of oil has now leaked, and media reports and official statements analysed by BBC Verify suggest the spill has spread across the Black Sea and the Sea of Azov. A senior Russian ...