"Violating the Minsk agreements, the Russian occupation forces used mortars 18 times, artillery systems thrice and there was one attack with the use of a tank. In the Mariupol sector, the tensest situation was near the village of Pavlopil, where the enemy fired mortars, 122mm self-propelled artillery systems, and mounted assaults. In addition, a militant tank attacked about 22:00 Kyiv time, having firing on the Ukrainian fortified positions near the town of Krasnohorivka twice," the ATO HQ said in an update as of 06:00 Kyiv time on June 15.

What is more, Russian-backed troops fired mortars on the Ukrainian positions near the town of Maryinka, and the villages of Taramchuk and Novotroyitske, as well as grenade launchers of various systems and heavy machine guns on the ATO positions near the villages of Hnutove, Talakivka, Chermalyk, and Shyrokyne.

Illegal armed groups also opened fire from 122mm self-propelled artillery systems, having launched four shells on Chermalyk.

Read alsoNSDC tells how Russia makes Donbas test ground for new military technologyIn the Donetsk sector, the enemy fired mortars on the Ukrainian fortified positions near the town of Avdiyivka, and the villages of Nevelske, Pisky, Verkhniotoretske and Luhanske, as well as heavy mortars and 152mm cannons on Butivka coal mine.

Read alsoUkraine survives 40 attacks in last day, heavy artillery hits Butivka mineThe occupiers also used heavy machine guns and automatic grenade launchers to shell the Ukrainian fortified positions near the Svitlodarsk bridgehead.

"In Luhansk region, the enemy was targeting areas close to the villages of Triokhizbenka and Nyzhnioteple," the report reads.

As UNIAN reported earlier, Ukraine recorded 40 militant barrages on June 13 and reported about six wounded Ukrainian soldiers.