The press centre of the army operation headquarters reported this on Friday. "The enemy launched 52 attacks on the positions of the Ukrainian Armed Forces over the past day. Most of them, 38, were launched in the vicinity of Donetsk," reads the report. In particular, the militants used mortars, grenade launchers of different systems and small arms. No Ukrainian servicemen were killed but six soldiers were wounded in the conflict over the past day, spokesman for presidential administration on army operation Andriy Lysenko said at a briefing in Kyiv.