Russian-led forces mounted 36 attacks on Ukrainian army positions in Donbas, eastern Ukraine, in the past day; no casualties have been reported, the press center of the Joint Forces Operation (JFO) Headquarters has said.

"The enemy opened fire 36 times to attack our troops' positions. Heavy weapons were used in five instances. There are no casualties among JFO personnel," the JFO HQ said in an update on Facebook on Wednesday morning.

Russia's hybrid military forces used grenade launchers, large-caliber machine guns and small arms. They attacked the defenders of the villages of Stanytsia Luhanska, Krymske, Malynove, Novozvanivka, Troyitske, Luhanske, Novoluhanske, Opytne, Hnutove, Lebedynske, Pavlopil, Vodiane, and Shyrokyne. The towns of Svitlodarsk, Maryinka, and Krasnohorivka also came under fire.

In addition, enemy troops used 82mm mortars to shell Ukrainian positions near the Krymske, Novoluhanske, Lebedynske, and Shyrokyne.

"Since Wednesday midnight, the Russian occupation forces attacked the positions of Ukrainian defenders near Krymske and Shyrokyne twice. Heavy weapons were not used," the update said.

According to Ukrainian reconnaissance reports, three enemy troops were killed, another nine were injured.