Russia's Black Sea Fleet is conducting navy drills using rocket launchers off Sevastopol, the Crimean-port's Russian-installed governor said on Sunday.
"Everything is calm in the city," Governor Mikhail Razvozhayev wrote on the Telegram messaging app.
The Black Sea Fleet of the Russian navy, which has its primary headquarters in Sevastopol, launches many of its drone and missile attacks on Ukraine from the Black Sea.