Buffalo Bills update: Damar Hamlin suffered cardiac arrest vs. Bengals
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Buffalo Bills' Damar Hamlin in critical condition after suffering cardiac arrest
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NFL says Bills' Hamlin in 'critical condition' after collapse during game
Damar Hamlin in Critical Condition After Cardiac Arrest at NFL Game – The Hollywood Reporter
Damar Hamlin's Injury Spurs New Concerns About Injuries on NFL Fields - Bloomberg
Why did Damar Hamlin collapse?