Crews Drill News Today

Gradually falling but daily cases they do remain fairly high and millions are still under a strict lockdown, including cnns david culver who has more from shanghai. >> reporter: lockdown in china is like nowhere else on earth. here you see a man getting swabbed for a covid test through the fence. using a megaphone, health care workers call for others to get tested. the countrys zero covid strategy? turning millions in to virtual prisoners across the nation. outside of beijing, these residents fo...