First Thing: Buffalo Bills' Damar Hamlin in critical condition after cardiac arrest, US news
Buffalo Bills star Damar Hamlin's on-field collapse puts spotlight on cardiac arrest in young people - ABC News
Full coverage: Bills' Damar Hamlin suffers cardiac arrest vs. Bengals - Los Angeles Times
Damar Hamlin Cardiac Arrest: Signs, Symptoms, Recovery Explained
Damar Hamlin's GoFundMe hits $7 million after Bills safety's cardiac arrest on 'Monday Night Football'
A Timeline of Damar Hamlin's Road to Recovery After Cardiac Arrest
After Damar Hamlin cardiac arrest, NJ has plan for athletes
The Reaction to Damar Hamlin's Collapse Represents Progress
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality