a dire humanitarian crisis is unfolding in mariupol, a city under siege after weeks of relentless violence by russian forces. this morning rescue operations are under way after officials say a russian air strike hit a theater hitting hundreds of civilians using it as a shelter. take a look at this picture. they re showing the pavement surrounding the theater was marked with large letter spelling out children in russian. russia denies attacking the theater. this as mayor openan officials. the video you re about to see is graphic and disturbing. in a mariupol hospital, bodies lay on the floor, as medical workers struggle to deliver care to a surge of patients. among the patients, a grew of newborn babies, here you see them, huddled together in a crib