Pfizer says its COVID-19 vaccine is safe and effective for children aged 5 to 11

In today's top stories, Pfizer and partner BioNTech plan to seek emergency authorization in the U.S. for use of their vaccine in young children as early as the end of the month. In other news, Amazon will unveil latest Echo, Ring devices on Sept. 28. And finally, the NTSB accuses Tesla of misleading customers about 'Full Self-Driving' features.