forces are basically battling to take control of the nation's capital of kyiv. i want you to listen to sirens ringing out in the city. warning residents to take shelter from incoming russian flower. but even inside those shelters, the city's residents are not safe. on saturday, two people were killed, six injured after ukrainian officials say this apartment building was struck by a russian missile. the missile tore a gaping hole in the side of that high rising kyiv. we should note nbc news has not been able to verify that accounts and russia denies that it is targeting civilians. ukrainians midstream of health says that people have been killed as early as saturday morning. that includes three children. over 1000 ukrainians have been injured since russia launched its invasion, and the united nations is warning that the humanitarian crisis is on the horizon. an estimated 4 million ukrainians are expected to flee to neighboring countries in the