Ukraine’s air force claimed credit for the missile strike in occupied Crimea, showing a lapse in Russia’s air defenses, but there were no confirmed casualties.

Ukraine on Saturday morning launched another missile attack on Sevastopol on the occupied Crimean Peninsula, a Russian-installed official said, a day after an attack on the headquarters of Russia’s Black Sea Fleet that left a serviceman missing and the main building smoldering.

Two days earlier, Ukraine claimed it had recaptured strategic gas and oil drilling platforms in the Black Sea that Russia seized in 2015. Russia had used the platforms for electronic warfare

Ukraine claimed responsibility for a missile attack that struck the headquarters of Moscow's Black Sea fleet in annexed Crimea Friday, sparking a huge fire and leaving at least one Russian serviceman missing.

Footage authenticated by BBC Verify shows the moment a Ukrainian missile strike hit the headquarters of Russia's Black Sea fleet in Crimea. One serviceman is missing after the missile attack on the port city of Sevastopol,