Enemy forces continued using proscribed weapons, namely 82mm and 120mm mortars.
Russia-led forces mounted five attacks on Ukrainian positions in Donbas, eastern Ukraine, on Thursday, March 26.
"The enemy shelled our positions, using 120mm and 82mm mortars, which are prohibited under the Minsk agreements, as well as grenade launchers of various systems, large-caliber machine guns, and rifles," the press center of the Joint Forces Operation (JFO) Headquarters said in a morning update on Facebook on March 27.
Hot spots were the villages of Pavlopil, Talakivka, Slavne, Luhanske, and the town of Avdiyivka.
"Using available weapons, members of the Joint Forces gave a tough response," it said.
From 00:00 to 07:00 Kyiv time on March 27, enemy troops were observing the ceasefire.
No Ukrainian army casualties were reported over the period under review.
There were no COVID-19 confirmed cases among Ukraine's military personnel, the JFO HQ said.