"Shelling of ATO positions continues. The Russian occupation forces have opened fire 30 times since the beginning of the day, in particular using heavy weapons," the ATO HQ said in an update as of 18:00 local time on March 28.

Read alsoUkraine reports relative "stabilization" in ATO zone: 58 enemy shellings in past 24 hoursUkrainian troops stations near the town of Avdiyivka and the villages of Troyitske and Luhanske in the Donetsk sector came under 120mm mortar fire. In addition, 82mm mortars were used to attack Avdiyivka, Troyitske and the village of Opytne. Ukrainian positions near Luhanske were also attacked by an infantry fighting vehicle, while grenade launchers of various systems and large-caliber machine guns were used to fire on the defenders of Pisky, Luhanske, and Troyitske.

Occupiers also used 82mm mortars to shell Ukrainian troops stationed not far from the village of Taramchuk in the Mariupol sector. In addition, they used a ZU-23-2 anti-aircraft system to attack Ukrainian marines in the village of Shyrokyne. Positions outside the village of Vodiane came under from grenade launchers and machine guns. The village of Pavlopil was under fire – the enemy engaged grenade launchers too. Snipers were active outside the villages of Hnutove and Vodiane.

Read alsoUkraine reports two KIA's, three WIA's on MondayThe situation in the Luhansk sector was also tense. Ukrainian troops near the village of Novozvanivka were under 82mm mortar fire. Russia's hybrid military forces used grenade launchers of various system to attack the village of Novo-Olekdandrivka.

"ATO forces had to fire back. Two Ukrainian solders were wounded," the ATO HQ said.