dan: world news tonight with david meurer is next. we appreciate your time.u so much for joining us tonight. our next newscast is at 6:00. we hope to see you then. >>> tonight, the horrific images coming in. a children's and maternity hospital in ukraine taking a direct hit from a russian air strike. rescuers carrying a pregnant woman from the debris. local officials still not sure how many mothers, children, and babies may have been wounded or killed. ukraine's president zelenskyy posting video of the damage. maternity wards destroyed, ceilings collapsed. windows blown out. an explosion carving out a massive crater in the ground. zelenskyy calling the attack an atrocity, pleading to the world for help, saying, "close the sky right now." also tonight, the growing concern about the chernobyl nuclear site now under russian control. tonight, authorities telling abc news this is a very fragile situation and they'll explain why. and tonight, what the pentagon is now saying about the plea