This is reported by the ATO press center.
"The tensest situation is again observed outside Horlivka [39 km north-east of Donetsk] and in Donetsk suburbs. The enemy used grenade launchers of different systems and heavy machine guns to shell our fortifications near Opytne [11.5km north-west of Donetsk], Avdiyivka [18km north of Donetsk], Marinka [35 km south-west of Donetsk] and Butovka coal mine [11.4km north-west of Donetsk]. The militants launched attacks from mortars outside Pisky [12km north-west of Donetsk]," reads the statement.
The strongholds of the ATO forces in Zaitseve (67km north-north-east of Donetsk) and Mayorske (45km north of Donetsk) were shelled six times from 120mm mortars, prohibited by the Minsk Agreements.