government, calling them nazis of working with the united states to develop nuclear and biological weapons, including covid. he said russia had no choice but to strike first. ukrainian officials say the shelter under that theater in mariupol appears to have remained in tact and that as they're clearing away debris, survivors are emerging. >> chief foreign correspondent richard engel in kyiv. courtney, billing off what richard is reporting from ukraine, you got your own reporting on increased naval activity by russia near odesa in the south and defense secretary lloyd austin just represented comments in slovakia. what are you learning? >> reporter: we just in the last few minutes heard from secretary of defense lloyd austin. among the questions they got were about a no-fly zone, big topic of conversation for the past week or so.