They shelled the Ukrainian forces with mortars, grenade launchers, and small arms. Most attacks are reported near the strategic government-controlled seaport Mariupol near the border with Russia, and in the vicinity of separatist-held Donetsk. More attacks are reported around the militant-controlled Luhansk. Six Ukrainian soldiers were wounded in the hostilities in the past 24 hours, military spokesman Andriy Lysenko told a press briefing in Kyiv on Friday.