The head of the Donetsk Regional Military Administration, Pavlo Kyrylenko, uploaded photos and videos of the Mariupol Drama Theater and the Neptune Pool buildings on Telegram.
The chilling footage shows the ruthlessness of the Russian forces and their growing frustration over the huge losses suffered over the past three weeks.
If Ukraine's claims are to be believed, Mityaev was the fourth top officer of the Russian army to have been slain after Russia invaded Ukraine on February 24.