Russian-led forces have mounted seven attacks on Ukrainian army positions in Donbas since Sunday midnight.
"The armed forces of the Russian Federation and its mercenaries have violated the ceasefire seven times since the beginning of the current day, October 13," the press center of Ukraine's Joint Forces Operation said in an evening update posted on Facebook.
The enemy opened fire from proscribed 82mm mortars, grenade launchers of various types, heavy machine guns, and small arms.
Under attack came Ukrainian positions near the towns of Svitlodarsk and Zolote, and the villages of Novoluhanske, Pivdenne, and Pisky.
According to the update, there have been no casualties among the Ukrainian military since Sunday midnight.