Russia's hybrid military forces attacked Ukrainian army positions in Donbas 15 times in the past 24 hours, with one Ukrainian soldier reported as killed in action and another seven -- as wounded in action.

"In the Luhansk sector, the enemy was active near the village of Troyitske, where it had for several hours been firing from 122mm and 100mm artillery systems, mortars, infantry fighting vehicles, anti-aircraft guns, and grenade launchers. In the vicinity of Krymske and Svitlodarsk, illegal armed formations employed 82mm mortars and small arms, while the defenders of the village of Katerynivka came under fire from an anti-tank missile system and grenade launchers," the press center of the Ukrainian Anti-Terrorist Operation Headquarters reported on Facebook on Wednesday morning.

Read alsoPoroshenko enacts law on re-integration of DonbasThe Mariupol sector became the epicenter of fire tension. Here, the militants used 120mm mortars near the villages of Lebedynske and Lomakyne. The occupiers also fired from 82mm mortars, infantry fighting vehicles and heavy machine guns on the Ukrainian fortified positions near the village of Pisky, while the outskirts of Avdiyivka were shelled from automatic grenade launchers.