"The situation in the Donbas conflict zone deteriorated significantly by the end of the day. The illegal armed groups did not observe the Minsk agreements and used weapons of more than 100mm caliber along the demarcation line," the press center said, Unian reported. "The enemy was most active near the Ukrainian-controlled port city of Mariupol. At the end of the day, the militants started firing 120mm on our positions in the villages of Starohnativka and Novoselivka Druha, and twice in the village of Chermalyk. At 18:00 Kyiv time, the mercenaries started firing 152mm artillery systems on ATO forces in the village of Prokhorivka from the militant-controlled village of Starolaspa. In addition, after 22:00 Kyiv time, they were firing 152mm artillery systems on our units in the villages of Orlovske, Lebedynske and Starohnativka. At 21:05 Kyiv time, the occupiers started firing Grad multiple rocket launchers on the Ukrainian positions in the village of Bohdanivka," the report reads. From midnight to 06:00 on August 27, the militants continued shelling on the villages of Bohdanivka and Starohnativka not far from Mariupol with the use of artillery systems.