"The militant attack has been repelled," the ATO HQ said in an update on Sunday morning.
The total number of attacks on Ukrainian positions in the past 24 hours was 105 incidents, it said.
Six Ukrainian soldiers were wounded in action; three had minor injuries over the period under review.
Read alsoUkraine volunteer killed in Donbas – ATO HQThe enemy used proscribed 122mm artillery systems in the Donetsk sector to shell the village of Nevelske, the ATO HQ said. They also fired mortars, grenade launchers, large-caliber machine guns and small arms on Avdiyivka, and the villages of Novoluhanske, Pisky, Kamyanka, Nevelske, Troyitske, Luhanske, Novoselivka, Opytne, and Zaitseve. Novoluhanske also came under sniper fire, while Troyitske was attacked by an infantry fighting vehicle.
In the Luhansk sector, mortars of various calibers were used to attack the villages of Novo-Oleksandrivka and Krymske. Grenade launchers were used to fire on the villages of Stanytsia Luhanska and Novozvanivka. The occupiers also used anti-tank missile systems to shell Krymske.
Read alsoATO HQ update: 2 WIA, 49 militant attacks in DonbasIn the Mariupol sector, Russia's hybrid military forces used banned 122mm artillery systems to shell the villages of Vodiane and Novohryhorivka. Mortars of various calibers were used to attack the towns of Maryinka and Krasnohorivka, and the villages of Starohnativka, Vodiane, Pavlopil, and Novotroyitske. They also used grenades and small arms to fire on the villages of Pavlopil, Hnutove, Vodiane, Shyrokyne, and Talakivka. Shyrokyne was also attacked by enemy infantry fighting vehicles.
In the evening, the invaders lobbed 30 Grad rockets onto Ukrainian positions close to the village of Vodiane.