Video of what the Russian government claims is merely an “exercise” appears to show a submarine on fire.
The video, shot in the Russian fear eastern city of Vladivostok, shows a large fire and thick, black smoke close to several moored Russian Navy submarines. The Russian government says the fire was part of a planned exercise, but the fire and smoke look way too close to the submarines for comfort.
https://www.popularmechanics.com/mil...ubmarine-fire/