Militants conducted 57 attacks on Ukrainian positions in Donbas on Monday, where one Ukrainian serviceman has been killed and another five have been wounded in the past 24 hours, the press service of the headquarters of the anti-terrorist operation (ATO) said on its Facebook account.

In the Mariupol sector, militants used grenade launchers and infantry fighting vehicle weapons against Maryinka and fired mortars of different calibers at Ukrainian army positions near Pavlopil, Maryinka and Chermalyk. All in all, 27 truce violations have been recorded in this area.

In the Donetsk sector, an attack was recorded near Luhanske, the press service said. In addition to that, 120mm and 82mm mortars, tanks and anti-aircraft guns were used against Ukrainian military positions located on the southern outskirts of Avdiyivka and near the village of Kamyanka. A residential area in Avdiyivka came under 125mm tank weapon fire. Shells also exploded near houses on Ostrovsky and Gagarin Streets in this populated locality. Local residents' houses near Zaitseve also came under fire on Monday.

In the Luhansk sector, militants attacked Ukrainian positions 18 times, the headquarters said. In particular, 120mm mortars were used near Troitske and Kryakivka, 82mm mortars were fired in the vicinity of Novotoshkivske, Katerynivka, Triokhizbenka, Zolote, and Novooleksandrivka, and anti-tank missile systems were also used near Novooleksandrivka.