Russia's defence ministry on Monday said it had fired four Kalibr missiles from a submarine in the Black Sea to destroy the military equipment of a Ukrainian mountain assault brigade, the TASS news agency reported.
It was not immediately possible to verify the report.
Meanwhile, Russia will head into the fourth month of its invasion of Ukraine on Tuesday with no end in sight to the fighting that has killed thousands, uprooted millions and reduced cities to rubble.
After abandoning its assault on the capital, Kyiv, Russia is pressing on in the east and south in the face of mounting sanctions and a fierce Ukrainian counter-offensive bolstered by Western arms.
87 People were killed in a Russian air strike on the village of Desna last Tuesday, Ukrainian President Volodymyr Zelenskiy said on Monday during a speech to global business leaders at Davos.
Ukrainian authorities last week had said that eight people were killed in the strike on Desna, located in the northern Ukrainian region of Chernihiv.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
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