Los Angeles County on Friday began requiring masks at large outdoor events, such as concerts, festivals and sports games with 10,000 attendees or more.
Jeff Nguyen reports.
Fans At Rams Game Told They Have To Wear Masks In SoFi Stadium
KCAL 9 CBS LA
Everyone attending outdoor "mega-events" of more than 10,000 people -- such as open-air concerts and baseball, football, and soccer..
