Simone Biles Pulls Out of All Around Competition. What We Know

In today’s Daily Debrief, Simone Biles has pulled out of Olympic competition for a second day in a row to focus on her mental health, and some New England athletes are coming to her defense. Twelve firefighters are out of the hospital after a chemical mixture sparked a hazmat response in Cambridge. Plus, the rules you’ll need to follow if you’re heading to Gillette Stadium this week for Patriots training camp.