This is reported by the ATO press center.
The tensest situation was observed in Donetsk direction, where illegal armed formations used 120mm and 82mm mortars, heavy machine guns and grenade launchers to shell Ukrainian positions near Avdiivka (18km north of Donetsk). In addition, militants fired at Ukrainian strongholds outside Pisky (12km north-west of Donetsk), using 120mm and 82mm mortars, grenade launchers, weapons on infantry fighting vehicles and small arms. ATO troops near Kamyanka (62km south of Donetsk) came under 82mm mortar fire.
In Mariupol direction, militants used mortars and grenade launchers to fire at Ukrainian troops near Shyrokyne (20km east of Mariupol). The enemy also launched attacks on Ukrainian strongholds near Vodiane (16km north-west of Donetsk).
In Luhansk direction, Russian-backed militants shelled at Ukrainian positions in Krymske (42.5km north-west of Luhansk), using heavy machine guns and grenade launchers.