Russia's hybrid military forces mounted 13 attacks on Ukrainian army positions in Donbas in the past 24 hours, with one Ukrainian soldier reported as wounded in action.

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"One Ukrainian soldier was wounded in the past day. According to our intelligence reports, one invader was wounded," the press center of Ukraine's Joint Forces Operation said in an update published on Facebook as of 07:00 Kyiv time on December 19, 2018.

The Russian occupation forces opened fire from grenade launchers of various types, heavy machine guns and small arms to attack the defenders of the town of Avdiyivka, and the villages of Slavne, Pisky, Chermalyk, Lebedynske, and Pavlopil.

The enemy also employed 122mm artillery systems and 120mm mortars, shelling the Ukrainian positions near the village of Novotoshkivske, while 82mm mortars were used near Pavlopil.

"Since Wednesday midnight, Russian-led forces haven't attacked the Ukrainian positions yet," the report said.