The group said this on Facebook, according to Ukrinform.
According to the report, on May 15, in the area of responsibility of the Operational and Tactical Group East, Russian troops continued to carry out offensive operations, with Ukrainian soldiers repelling five enemy attacks in the past day.
As a result of the fighting, the Ukrainian Armed Forces destroyed 84 Russian invaders, a tank, four infantry fighting vehicles, a motor vehicle, a helicopter and an unmanned aerial vehicle of the enemy.
Between February 24 and May 15, Ukrainian defenders have already eliminated about 27,400 Russian soldiers.