Russia's hybrid military forces on Tuesday mounted 11 attacks on Ukrainian positions in Donbas, eastern Ukraine.

Read alsoJFO's press center can't yet confirm attack on Ukrainian positions from Russia

"The armed forces of the Russian Federation and its mercenaries violated the ceasefire 11 times on November 19," the press center of Ukraine's Joint Forces Operation said in a Facebook update as of 07:00 Kyiv time on November 20, 2019.

The enemy opened fire from proscribed 82mm mortars, cannons installed on infantry fighting vehicles, grenade launchers of various systems, heavy machine guns, and small arms.

Under attack were Ukrainian positions near the villages of Vodiane, Starohnativka, Berezove, Hnutove, Krymske, Pivdenne, Zalizne, Luhanske, and Kindrashivska Nova.

"Since Wednesday midnight, Russia-led forces have attacked Ukrainian positions once near Berezove, using cannons installed on infantry fighting vehicles and heavy machine guns," the update said.