Fierce fighting with Russian-led troops in Donbas, eastern Ukraine, continued on Saturday, May 12, as a result of which one Ukrainian soldier was killed in action, another four were wounded in action.

The situation escalated along the entire contact line.

"The Russian occupation troops violated the ceasefire 73 times, in particular, 122mm artillery systems, 120mm and 82mm mortars were used 20 times," the press center of Ukraine's Joint Forces Operation said on Facebook in a morning update on May 13. "Our troops were actively defending themselves and gave an adequate response to the enemy."

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The enemy attempted to oust Ukrainian troops from advantageous positions near the villages of Krymske, Novozvanivka, and Troyitske in the Luhansk sector.

Intense fighting continued near the villages of Zaitseve, Verkhniotoretske, Kamianka, Novhorodske, the Avdiyivka industrial zone and on the outskirts of the town of Maryinka in the Donetsk sector.

Small arms were mainly used near the villages of Talakivka and Shyrokyne in the Mariupol sector.

"According to intelligence reports, two members of the Russian terrorist troops were killed and six were wounded. During the fighting, one Ukrainian defender was killed and four more were wounded. The latter have received medical assistance and there is no threat to their life," the press center said.

The enemy used heavy weapons six times at night, it added.

The situation is under JFO units' control.