United States Fire Administration
8 May 2025
The United States Fire Administration has announced the death of Firefighter/Paramedic Mark Keller, 59, of the Mesa Fire and Medical Department on 6 May 2025.
The Mesa Fire and Medical Department received an early morning emergency call. When Firefighter/Paramedic Keller did not get on the truck, crews went to wake him and found him deceased on the floor.
Age: 59
Rank: Firefighter/Paramedic
Classification: Career
Incident date: May 6, 2025
Date of death: May 6, 2025
Cause of fatal injury: Unknown
Nature of fatal injury: Unknown
Activity type: Other
Emergency duty: No
Duty type: Other On-Duty
Fixed property use: N/A
The number of on-duty deaths for 2025 is currently 31.
Go here to read the number of interior line of duty deaths for 2025.
Fatality status is provisional and may change as USFA contacts State Fire Marshals to verify fatality incident information.
For more information about on-duty deaths as recorded by the United States Fire Administration go to “Firefighter Fatalities in the United States.”
Photograph is courtesy of Bunker Family Funerals and Cremation.
Data Not Drama 