St. Louis County in Missouri is mandating face masks for everyone over the age of 5 when indoors regardless of vaccination status amid the spread of the delta variant, officials announced Friday. Masks are also "strongly encouraged" for groups when outdoors. "We’ve lost more than 500 St. Louisans to COVID-19, and if our region doesn’t work together to protect one another, we could see spikes that overwhelm our hospital and public health systems," Dr. Fredrick Echols, acting director of health for the City of St. Louis, said Friday. St. Louis County reported 241 new confirmed cases of COVID-19 on Wednesday,...