This is reported by the ATO press center.
As noted, in Mariupol direction, the enemy used mortars of various calibers to fire at Shyrokyne (20km east of Mariupol), Slavne (25km south-west of Donetsk), and Hnutove (19km north-west of Mariupol). ATO troops also came under grenade launcher fire in Marinka (35 km south-west of Donetsk).
In Luhansk direction, the terrorists used mortars and grenade launchers to fire at Krymske (42.5km north-west of Luhansk).
In Donetsk direction, the Russian-backed militants shelled Ukrainian positions near Avdiyivka (18km north of Donetsk) and Zaitseve (67km north-north-east of Donetsk), using grenade launchers of various systems and small arms.