Russia-led forces used proscribed 120mm and 82mm mortars, grenade launchers, heavy machine guns, and rifles.

Russia's hybrid military forces on April 21 mounted seven attacks on Ukrainian positions in Donbas, eastern Ukraine.

"On April 21, armed formations of the Russian Federation violated the ceasefire seven times," the press center of Ukraine's Joint Forces Operation said in a Facebook update as of 07:00 Kyiv time on April 22, 2020.

Read alsoDonbas war update: Number of attacks on Ukrainian positions rises to 13 in past day

Russia-led forces opened fire from proscribed 120mm and 82mm mortars, grenade launchers of various types, heavy machine guns, and rifles.

Under attack were Ukrainian positions near the towns of Avdiyivka and Krasnohorivka, and the villages of Starohnativka, Krymske, Novotoshkivske, and Luhanske.

According to intelligence data, two members of the enemy forces were killed on April 21.

"Since Wednesday midnight, Russia-led forces have attacked Ukrainian positions near the village of Bohdanivka in the Skhid (East) sector, using tripod-mounted man-portable antitank guns," the update said.

Ukraine's Joint Forces fired back to suppress the enemy's provocation.

No Ukrainian army casualties were reported over the period under review.