>> on the other hand we are really hopeful because we have support from all over the world. emotionally, financially, military forces. >> support from volunteers too. a mass production line of molotov cocktails today loaded on to a truck to hand out to forces around the city. tonight mothers and children will huddle together in the shelter at the city children hospital. trying to provide some comfort to the most vulnerable dns. >> president zelensky has made a late night address and pointing the finger directly at president putin, blaming him for what he calls a brutal attack on kharkiv today. he is asking the world to enforce a no-fly zone over ukraine. >> norah? >> charlie d'agata for us, thank you. >> well, the united nations estimates that more than half a million people have already fled ukraine. women and children fill the long lines of cars and buses at