Russia-led forces used banned weapons in three out of five attacks on Ukrainian positions in Donbas, eastern Ukraine, on June 2.

"On June 2, armed formations of the Russian Federation violated the ceasefire five times, using 82mm mortars, which are banned under the Minsk agreements, in three instances," the press center of the Joint Forces Operation (JFO) headquarters said on Facebook in a morning update on June 3.

Read alsoJFO: Ukraine reports three enemy attacks in Donbas June 1

Enemy troops also used grenade launchers of various systems, large-caliber machine guns and small arms to shell Ukrainian positions.

No Ukrainian army casualties have been reported.

Ukrainian troops fired back in response to every enemy attack.

"According to intelligence reports, one invader was eliminated on June 2," the update said.

Since Monday midnight, there has been one enemy attack – Russia-led forces opened fire from anti-tank missile systems, anti-tank grenade launchers and anti-aircraft missile systems ZU-23-2 near the village of Kamianka in the Skhid (East) sector.

"There have been no Joint Forces casualties," the update said.