Most of the attacks were delivered on Ukrainian emplacements in the vicinities of Donetsk and port city Mariupol, Anti-Terrorist Operation HQ reported Wednesday morning.
Luhanske, Zaitsevo, Svitlodarsk, Pisky and Butivka coal mine were shelled from 120 and 82 mm mortars.
Militant's sniper squads fired on positions in Avdiivka and Verkhnyotorestke. IFVs opened fire in Shyrokyne; in Pavlopol, Novotroitske, Shyrokyne and Starohnativka, Russia-backed militants used RPGs.
In Luhansk region, the mercenaries opened fire from grenade launchers, heavy machine guns and small arms near Novozvanivka and Novoolexandrivka. A militant sniper opened fire in Novozvanivka.
Hostile artillery shells hit Ukrainian positions near Zaitseve and Avdiivka after 11 p.m. Tuesday, in breach of Minsk agreements and the ceasefire regime.