Three Ukrainian soldiers were killed in hostilities in Donbas, another 13 were injured, the speaker of the presidential administration for the antiterrorist operation (ATO), Col Andriy Lysenko, told a briefing on 5 July.
He said the enemy was actively using heavy weapons banned under the Minsk agreements.
The militants in Donbas have launched 63 attacks against the Ukrainian military over the past 24 hours.