better we die. >> reporter: russian attacks intensify from the air, showing a strike on ukrainian fuel depot near kyiv, russia has been un -- >> in time to attack during this aggression. they hoped that the invasion of ukraine would be a walk over. >> reporter: an attack destroyed russian warship in berdyansk as ukrainian forces hit back on russian forces in some places, russia perhaps moving its goal posts, general saying the first stage of the operation is nearing completion, so far as 1,151 russian troops killed, a number a lot lower than the 15,000 nato officials estimate. forces now will focus on liberating part of southeast ukraine controlled by russian-backed separatist.