Russia's hybrid military forces have mounted 18 attacks on Ukrainian army positions in Donbas in the past 24 hours, with three Ukrainian soldiers reported as wounded in action, the press center of the headquarters of the Joint Forces Operation (JFO) has reported.

"The invaders opened fire 18 times on the positions of our troops. Weapons, prohibited by the Minsk Agreements, were used in four shooting incidents. Three Ukrainians soldiers were wounded during hostilities in the past day," the press center of the JFO said in its update on Facebook on Saturday morning.

Ukrainian positions came under attack in the vicinity of Krymske, Troyitske, Luhanske, Avdiyivka, Maryinka, Chermalyk, Pavlopil, Hnutove, Vodiane, and Shyrokyne, it said.

"The enemy has launched four attacks since midnight on the Joint Forces' positions near Krymske, Novotoshkivske, Pavlopil, and Vodiane using heavy machineguns and small arms," the press center said.

According to Ukrainian intelligence, one solider of the enemy was killed, and five more suffered injuries during the day.