Censor.NET reports citing the ATO press center.
"The last day was not completely calm in the ATO area. In spite of the cease-fire, which is followed by the warring parties almost along the whole front line, the terrorists continued attacking Ukrainian forces near the city of Donetsk," the statement reads.
In the evening of Sept. 11, the militants were the most active and fired at the ATO forces' positions from grenade launchers, heavy machine guns and small arms near the town of Avdiivka.
The militants also have shelled the Army's positions at Opytne village with rocket-propelled grenades and small arms.
The were no attacks reported after midnight.
Terrorists fired at ATO forces near Avdiivka with grenade launcher and small arms, - ATO press center