USFA: New Jersey On-Duty Death

80-year-old firefighter suffers a heart attack after a training drill.

Heart attack at home after training drill

United States Fire Administration

The U.S. Fire Administration has announced the official on-duty death of Firefighter John Jonker, Sr., 80, of Erskine Lakse Fire Company #1 on February 10, 2021.

On Wednesday, February 10, 2021, Firefighter John Jonker, Sr., participated in a training drill at the fire department. Shortly after returning home, he collapsed from an apparent heart attack. He was unable to be revived and passed away.

Tribute is being paid to Firefighter Jonker, Sr. at

To date, 18 firefighter fatalities have been reported to USFA in 2021. Year-to-date and annual USFA firefighter fatality reports are posted online at

Fatality status is provisional and may change as USFA contacts State Fire Marshals to verify fatality incident information.

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