Russia’s Black Sea Fleet has been forced back to base after the worst storm in 100 years hit southern Ukraine and occupied Crimea.

Almost half a million people have been left without power and one person was killed after a storm in the Black Sea area flooded roads, ripped up trees and took down power lines in Crimea, Russian state news agency Tass said.

Navigation remains restricted around Russia's Black Sea ports in the Krasnodar region due to a storm, the ministry of transport said on Tuesday. "The mercantile fleet remains offshore and in the high seas until the storm is over,

Almost half a million people have been left without power and one person was killed after a storm in the Black Sea area flooded roads, ripped up trees and took down power lines in Crimea, Russian state news agency Tass said.

At least four deaths and more than a dozen injuries were reported. Ukraine, southern Russia and northern Greece were particularly hard hit.

A weekend storm that pounded the Black Sea region toppled trees, tore down power lines and flooded coastal areas of southern Russia and Ukraine, leaving more than a half-million people without power on Monday,