we're now seeing as part of daily lives of civilians. as we reported earlier, of course, all feared to get worse, particularly for some of ukraine's most vulnerable citizens, clarissa ward, tonight, has details. >> reporter: outside the akmadiv hospital, the sound of heavy fighting pierces the night air. the shelling has started, in nurse isays. we're in the surgical department for newborn babies, it's so loud. exhausted staff hover nervously in the hallway. this is ukraine's largest children's hospital. shutting down is not an option. neuro surgeon dmitro oshenko shows us the impact of just one week of war. so the children who are too sick to be moved have to stay here in the basement in case the bombardment starts again.