In the Mariupol sector, the occupiers fired grenade launchers, heavy machine guns and small arms on the villages of Hnutove, Pavlopil, Shyrokyne and Vodiane, the headquarters said.
"The Russian occupation forces used Grad MLR systems, tanks and mortars of various calibers to attack our positions near the town of Krasnohorivka," the report says.
Read alsoUkraine troops in Donbas on forced defensive – PoroshenkoIn the Donetsk sector, the militants opened fire from 120mm mortars on the town of Avdiyivka, and the villages of Nevelske and Opytne, as well as rocket-propelled grenades and small arms on the villages of Novhorodske, Nevelske, Luhanske and Zaitseve. Additionally, enemy snipers were active near Avdiyivka, and the villages of Luhanske and Verkhniotoretske.
In the Luhansk sector, the village of Krymske came under mortar fire, while rocket-propelled grenades and small arms were used to fire on the village of Novozvanivka.
There were no casualties among Ukrainian troops, the ATO HQ said.