Russia's hybrid military forces on May 20 mounted 18 attacks on Ukrainian army positions in Donbas, eastern Ukraine, with two Ukrainian soldiers reported as wounded in action.

"The Russian Federation's armed formations violated the ceasefire 18 times in the past day," the press center of Ukraine's Joint Forces Operation Headquarters said on Facebook in an update as of 07:00 Kyiv time on May 21. "As a result, two servicemen of the Joint Forces were wounded in enemy shelling."

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Russian-led forces opened fire from proscribed 120mm and 82mm mortars, grenade launchers of various types, heavy machine guns, and sniper and small arms.

Under attack were Ukrainian positions near the towns of Krasnohorivka and Maryinka, and the villages of Pavlopil, Pisky, Kamianka, Starohnativka, Bohdanivka, Orikhove, Shumy, Novo-Oleksandrivka, Pivdenne, and Krymske.

The Joint Forces returned fire in response to each enemy attack. According to intelligence data, one member of Russia-led forces was killed and another two were wounded on May 20.

"Since Thursday midnight, Russia-led forces have attacked Ukrainian positions near Bohdanivka, using rifles. One Ukrainian soldier was wounded as a result of enemy shelling," the update said.