Ukraine war: Sunken Moskva warship 'the worst moment in Russia's naval history since WWII'
Ukraine has claimed the captain of a Russian warship that was sunk in the Black Sea has been killed on board. Moscow says the missile cruiser was badly damaged after a fire caused ammunition to detonate - but makes no mention of a Ukrainian attack.
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The US said it believes the vessel was hit by two Ukrainian Neptune anti-ship missiles and a senior US official said the country believes there were Russian casualties.