Enemy troops used proscribed weapons, namely 120mm and 82mm mortars.

One Ukrainian soldier was wounded in action in enemy attacks in Donbas, eastern Ukraine, in the past day.

"On April 25, armed formations of the Russian Federation violated ceasefire 16 times," the press center of the Joint Forces Operation (JFO) headquarters said on Facebook in a morning update on April 26. "The enemy fired at our positions, using 120mm and 82mm mortars that are banned under the Minsk Agreement. They also used grenade launchers of various systems, large machine guns, rifles."

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Ukraine's Joint Forces had to fire back.

Four enemy troops were killed and another five were wounded on April 25, according to Ukrainian intelligence reports.

Since Sunday midnight, Russia-led forces have violated the ceasefire twice.

No Ukrainian army casualties have been reported from 00:00 to 07:00 Kyiv time on April 26.