LUGANSK, October 26. /TASS/. The Ukrainian armed forces’ casualties, including foreign mercenaries, reached 8,300 personnel killed and wounded over the past week, military expert Andrey Marochko reported.

According to him, the enemy suffered the heaviest losses as a result of operations conducted by Russia’s Battlegroup Center.

"The enemy’s medical and irreplaceable losses for the week totaled about 8,340 militants and mercenaries. The greatest losses in manpower were inflicted on Ukrainian armed formations in the area of responsibility of the Battlegroup Center, which operates in the Donetsk People’s Republic (DPR) and in the Dnepropetrovsk Region," the expert wrote on his VKontakte page after analyzing data released by the Russian Defense Ministry.

Marochko added that during the week, the Russian military also destroyed nearly 5,600 Ukrainian unmanned aerial vehicles (UAVs), 15 marine vessels, 43 field artillery guns, 43 electronic warfare and counter-battery stations, as well as 805 different combat vehicles.