In Mariupol direction, the enemy used 82mm mortars, ZU-23-2 antiaircraft mounts, grenade launchers of different systems and heavy machine guns to shell Ukrainian positions in Marinka (35 km south-west of Donetsk). Ukrainian marines near Vodiane (16km north-west of Donetsk) came under grenade launcher and heavy machine gun fire. In Donetsk direction, Russian-backed militants fired at Opytne (11.5km north-west of Donetsk), using 120mm and 82mm mortars. In addition, terrorists used 82mm mortars, grenade launchers, ZU-23-2 antiaircraft mounts and heavy machine guns to fire at ATO troops outside Avdiivka (18km north of Donetsk). Attacks were also launched on Verkhniotoretske (22km north-east of Donetsk), using 82mm mortars and antitank grenade launchers. In Luhansk direction, Ukrainian positions near Krymske (42.5km north-west of Luhansk) came under 120mm mortar and antitank grenade launcher fire. Militants also used grenade launchers to fire at Novooleksandrivka (65km west of Luhansk).