coronavirus February 18, 2021 2:01 pm Doctors Warning of Rise in COVID-19 Linked Children's Illness Doctors and parents are warning about an alarming increase in an inflammatory syndrome linked to COVID-19 cases in children. US & World Videos 2:36 Breaking 101: The basic elements of what is now an Olympic sport 1:00 Did You Know? San Francisco's Golden Gate Park was built more than 150 years ago 2:25 Teen accused of trying to storm cockpit during Alaska Airlines flight from San Diego 0:35 Watch: United Airlines flight bound for SFO has hydraulics issue 4:03 What to know about California primary