Buffalo Bills' Damar Hamlin in critical condition after suffering cardiac arrest on field - CBS News
NFL announces Bills-Bengals game won't be resumed - WHYY
Troy Vincent denies NFL initially gave Bills-Bengals 5-minute warmup window after Damar Hamlin's injury
Suspended game between Bills and Bengals won't be resumed, NFL says, NFL
NFL Won't Resume Bills-Bengals Game After Damar Hamlin Cardiac Arrest - TheWrap
Buffalo Bills safety Damar Hamlin collapses on field, gets CPR
NFL: Bills-Bengals won't resume after Damar Hamlin collapsed; playoff scenarios revealed - CBS New York
NFL owners approve AFC playoff plan after Buffalo Bills vs Cincinnati Bengals is cancelled, NFL News
NFL: Bills-Bengals Game Won't Resume This Week After Hamlin Collapse