Photo from UNIAN

Russia's hybrid military forces mounted three attacks on Ukrainian positions in Donbas, eastern Ukraine, on Sunday, on May 31.

"The Russian Federation's armed formations violated the ceasefire three times in the past day and attacked our positions from proscribed 82mm mortars, grenade launchers of various types, and heavy machine guns," the press center of Ukraine's Joint Forces Operation said in a Facebook update as of 07:00 Kyiv time on June 1, 2020.

Read alsoOSCE SMM reports explosion close to its patrol in Luhansk region

The enemy shelled Ukrainian positions near the villages of Novotroyitske, Vodiane, and Orikhove.

The Joint Forces returned fire to each enemy attack. According to intelligence data, one member of the Russia-led forces was killed and another two were wounded on May 31.

On Saturday, May 30, the occupation forces opened fire on Ukrainian troops eight times.

"Since Monday midnight, the Russia-led forces have attacked Ukrainian positions near the village of Hnutove, using grenade launchers of various types," the update said.

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