This is reported by the ATO press center.
"The tensest and most dangerous situation was observed in Avdiyivka [18km north of Donetsk], where the terrorists used mortars and tanks to shell Ukrainian troops over the past day," reads the statement.
The militants also used grenade launchers and heavy machine guns to launch attacks on the ATO positions near Zaitseve (67km north-north-east of Donetsk).
The Ukrainian forces came under fire from heavy machine guns, grenade launchers and small arms outside Opytne (11.5km north-west of Donetsk) and Pisky (12km north-west of Donetsk).
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