Ukrainian volunteer activist Yuriy Mysiahin has said the Ukrainian military with the help of a drone determined the direction of fire on their positions and destroyed the militants' position.

Read alsoUkrainian troops destroy enemy position in Donbas (video)

He said the commander of combat crew had received a command to open a retaliatory fire.

"It took only a few minutes and the enemy's combat position was destroyed," the volunteer wrote on Facebook.

As UNIAN reported earlier, Mysiahin said the Joint Forces had advanced up to 1 km and gained new positions near the village of Novotoshkivske, Luhansk region.