Pro-Russian militants again fired at the checkpoint Marinka. According to it, Ukrainian army positions along the contact line came under 20 attacks by use of various types of mortars, including nine strikes delivered near the town of Avdiyivka, where militants used 122mm artillery systems.The enemy used 120mm and 82mm mortars to shell Ukrainian troops.Also, the militants used various types of grenade launchers, large-caliber machineguns and small arms near Starohnativka and Novotroyitske in the Mariupol area, and fired a ZU-23 air defense launcher near Maryinka, the press center said. After midnight, the intensity of militants' fire decreased they attacked Ukrainian troops twice near Maryinka and Novotroyitske, using grenade launchers of various systems.