Buffalo Bills' Damar Hamlin in critical condition after field collapse.
The incident occurred during a tackle by Bengals' Tee Higgins.
Hamlin received CPR and a defibrillator at the scene.
Taken to the University of Cincinnati Medical Center by ambulance.
Hamlin's family joined him in the ambulance.
The official statement describes Hamlin's condition as critical.
Hamlin's vitals returned to normal, put to sleep with a breathing tube.
Monday Night Football game is suspended. No update on future plans.