Alleged scenes from one of the world's strictest lockdowns show growing desperation and despair

Residents in the northern Chinese city of Xi'an, which has seen the largest community outbreak of Covid-19 since Wuhan, say they're struggling to get basic supplies, food and even medical care. CNN's Kristie Lu Stout reports on the desperation from the city where 13 million residents are under one of the world's strictest lockdowns. CNN could not independently verify the authenticity of the social media videos in the report.