The Bengals Monday Night football showdown with the Buffalo Bills was suspended after Bills defensive back Damar Hamlin collapsed during the first quarter.
Hamlin was taken off the field by ambulance and is in critical condition, National Football League officials said.
Here's what we know so far about Damar Hamlin and his injury:
- Hamlin fell to the field at 8:55 p.m. after trying to get up from a collision with Bengals receiver Tee Higgins. Medical personnel worked on Hamlin for several minutes. Cardiopulmonary resuscitation (CPR) was administered, and an automated external defibrillator was required.