This is reported by the ATO press center.
"The enemy launched 39 attacks on the positions of the Armed Forces of Ukraine over the past day," reads the statement.
In particular, the militants used 82mm and 120mm mortars, grenade launchers of different systems and small arms to shell Avdiyivka (18km north of Donetsk), Mayorske (45km north of Donetsk), Zaitseve (67km north-north-east of Donetsk).
The militants also shelled Ukrainian security forces' positions six times in the Mariupol sector over the past 24 hours. In particular, they used grenade launchers and small arms near Maryinka, Krasnohorivka and Vodyane.