Buffalo Bills safety Damar Hamlin refused to comment when he was asked during an interview with ABC News about what caused him to go into cardiac arrest last month.
The Bills were down 7–3 to the Cincinnati Bengals when Hamlin tackled wide receiver Tee Higgins in the first quarter on Jan. 2.
He stood up briefly after the play and then collapsed after what appeared to be a routine collision. Hamlin was revived on the field and transported to a local hospital. The game was canceled.

The 24-year-old recovered in an area hospital before he was eventually released on Jan. 9.
Hamlin sat down …