The imagery shows how Russia partially and completely dispersed its naval vessels from Novorossiysk for brief periods in September.

The Black Sea has recently become one of the world’s most important dynamically shifting geostrategic maritime areas, with Ukraine playing a crucial role in upending the naval balance of power there.

MOSCOW (Reuters) - Russia on Wednesday accused Britain of using a Black Sea grain corridor to deliver arms to Ukraine, after denying London's allegations that Russian attacks on Ukrainian ports had disrupted crucial grain supplies for other countries.

Russian Foreign Ministry spokesperson Maria Zakharova alleged “the direct involvement of the UK in supplying arms to the Kiev regime using the Black Sea sea corridor.”