The Donbas situation remains controllable and the truce is basically unmarred, the press center of the ATO staff wrote on Facebook on Thursday morning.

Twenty attacks of the militants on Ukrainian army positions were observed during the day, including eight in the Donetsk sector, nine in the Mariupol sector, and three in the Luhansk sector, the staff said.

The hostiles fired mortars, grenade launchers, machineguns and small arms near Avdiyivka, Verkhniotoretske, Luhanske and Novoselivka, it said.

The Shyrokyne area in the Mariupol sector was not quiet: the militants used 82mm mortars, grenade launchers and machineguns. Attacks were observed near Maryinka and Starohnativka, as well.

In the Luhansk sector, Novo-Oleksandrivka came under grenade launcher and machinegun fire, and small arms were used in Popasna.

Three drones were seen flying in the Luhansk and Mariupol sectors.