michael carpenter, the senior director for europe at the us national security council , also said thatd step up and strengthen ukrainian air defense to prevent tragedies like today. russia cannot help but know where its missiles are pointing, and must fully answer for all its crimes against people, against children, against humanity in general, - said the current president of ukraine, volodymyr zelenskyi. this callous aggression is a complete disregard for human life, which endangers european and transatlantic security. that is why this week the leaders will take significant commitments regarding the security of ukraine, - said the us ambassador to ukraine bridget brink. this is a war against the civilian population - added the german ambassador in ukraine, martin yeger. july 9 was declared a day of mourning in kyiv due to the russian attack. in the capital alone , 23 people died as a result of the russian attack. in the largest children's hospital of ukraine, okhmandyti, the rubble is being cleared. my colleague iryna solomko asked the doctors of okhmandyt about how their young patien