What is Putin's new challenge to NATO amid war with Ukraine?

Russia is leaving no stone unturned to gain victory over Ukraine. As per sources, Russia has fired more than a thousand missiles in Ukraine so far and has now proved the fear of Ukrainian President Zelensky by targeting Ukraine with a hypersonic missile that is about to declare Ukraine's airspace as NO FLY ZONE. Demanding but America and NATO are not ready for it. Now Putin has given another challenge to NATO by declaring Ukraine's separatist region Donbas as NO FLY ZONE. Watch this video.