One Ukrainian soldier was killed, while seven were injured as Russia-led forces mounted seven attacks in Donbas, eastern Ukraine, on Thursday, May 21.

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"The Russian Federation's armed formations violated the ceasefire seven times in the past day. Unfortunately, as a result of enemy shelling, one Ukrainian serviceman was killed in action, another two were wounded in action, and another five sustained combat-related injuries," the press center of Ukraine's Joint Forces Operation Headquarters said on Facebook in an update as of 07:00 Kyiv time on May 22.

The enemy opened fire from proscribed 120mm and 82mm mortars, grenade launchers of various types, heavy machine guns, and small arms.

Under attack were Ukrainian positions near the town of Avdiyivka, and the villages of Shyrokyne, Pavlopil, Starohnativka, Bohdanivka, Krymske, and Triokhizbenka.

The Joint Forces returned fire to each enemy shelling.

According to Ukrainian intelligence reports, four members of the enemy forces were wounded on May 21.

"Since Friday midnight, Russia-led forces have attacked Ukrainian positions near Bohdanivka and Verkhniotoretske in the Skhid (East) sector, using heavy machine guns, grenade launchers of various types, and small arms," the update said.

No Ukrainian army casualties have been reported since then.