"The criminals continued violating the Minsk agreement by using heavy weapons, including 152mm and 122mm caliber artillery systems and 120mm caliber mortars," the ATO press center reported.

The positions of the ATO forces near the village of Pisky in Donetsk region were attacked by a tank and 120mm caliber mortars twice at night. Also at night militants used 122mm caliber artillery systems, 120mm mortars, automatic grenade launchers and small arms to fire at Ukrainian troops near the village of Opytne.

On Saturday morning, illegal armed groups used mortars to shell ATO forces near the town of Avdiyivka and the village of Hranitne.

On Saturday afternoon, ATO troops near the villages of Shyrokyne, Pisky and Opytne came under heavy fire from mortars, rocket-propelled grenades and automatic firearms. Fire from a 152-millimeter howitzer was reported from 1633 to 1640 Kyiv time on Saturday, the report says.

A fight between Ukrainian troops and pro-Russian militants near the village of Triokhizbenka in Luhansk region lasted from 1030 to 1140 Kyiv time on Saturday. Ukrainian soldiers successfully repelled the enemy's attack and made them retreat, the press center said.