Damar Hamlin had a an episode of cardiac arrest while playing.

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Buffalo Bills safety Damar Hamlin was hospitalized after an injury in Monday's match against the Cincinnati Bengals 

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The Bills stated that Hamlin's "heartbeat was restored on the field and he was transferred to the UC Medical Center for further testing and treatment."

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The incident that shocked the world occurred just 5:58 into the first quarter , with Cincinnati led the game 7-3. 

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Hamlin was lying on the ground for a few minutes during the time he received CPR at the hands of the medical personnel in the air before being transferred to the ambulance. Hamlin was taken into hospital at the University of Cincinnati Medical Center.

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DAMAR HAMLIN'S CHARITY RECEIVES MILLIONS IN DONATIONS AFTER HE COLLAPSES ON FIELD

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"The NFL has been in constant communication with the NFL Players Association which is in agreement with postponing the game."