According to reports, the attack took place close to Novorossiysk, a significant export hub for Russia.
The Russian defense ministry claimed to have thwarted a two-sea drone attack from Ukraine on its naval facility there, but it did not acknowledge any collateral damage.
However, according to sources in the Ukrainian security agency, the Olenegorsky Gornyak was attacked and seriously breached.
According to them, a marine drone struck the ship while carrying 4.0 kg (992 lb) of dynamite.
In their account of the incident, Russia made no mention of any damages.
Small, unmanned boats called sea drones travel above or below the water’s surface.
The clip appears to end on impact as a watercraft approaches a ship’s side in close proximity.
It’s possible that the ship might be seen listing to one side in another footage.
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