Russia has replaced its deputy defense minister by appointing Col. Gen. Mikhail Mizintsev for the post, the Russian Defense Ministry said in a statement published Saturday.
"Colonel-General Mikhail Mizintsev has been appointed to the post of Deputy Minister of Defense of the Russian Federation, responsible for the logistics of the Armed Forces," according to the statement.
Mizintsev replaces the General of the Army Dmitry Bulgakov, who was relieved of his post due to a transfer to another job, according to the statement.
The Ukrainian military has said Mizintsev led the siege of the eastern Ukrainian port city of Mariupol.
Mizintsev also previously led Russia’s National Defense Management Center and headed the "Russian Joint Coordination Headquarters for Humanitarian Response in Ukraine," according to state news agency TASS.
Mizintsev was born in 1962 and graduated from the Kalinin Suvorov Military School in 1980, according to TASS. He was appointed chief of Russia’s National Defense Management Center in December 2014, according to TASS.