Explainer: What happened to Buffalo Bills safety Damar Hamlin?
Buffalo Bills' Damar Hamlin critical after collapse on field - WHYY
Suspended game between Bills and Bengals won't be resumed, NFL says, NFL
NFL Says Bills-Bengals Game Won't Resume This Week Following Hamlin Incident - Bloomberg
NFL won't resume Bills-Bengals game this week as Damar Hamlin remains in hospital
How TV covered Damar Hamlin's collapse on 'Monday Night Football'
NFL owners approve AFC playoff plan after Buffalo Bills vs Cincinnati Bengals is cancelled, NFL News
Troy Vincent denies NFL initially gave Bills-Bengals 5-minute warmup window after Damar Hamlin's injury
NFL's Hamlin remains critical, game won't be finished this week