United States Fire Administration
21 June 2022
The United States Fire Administration has announced the death of Lieutenant Sean Williamson, 51, of the Philadelphia Fire Department on 18 June 2022.
On Saturday, June 18, 2022, Lieutenant Sean Williamson responded to a fire at a commercial building. Eight occupants of the property were safely evacuated. Approximately an hour later, the fire was under control. Firefighters remained working when the building collapsed around 3 a.m. Five firefighters and one inspector became trapped. Five of the individuals were rescued and immediately transported to the hospital. Lieutenant Sean Williamson was pronounced deceased at the scene.
Incident date: June 18, 2022 1:55 a.m.
Date of death: June 18, 2022
Cause of death: Collapse
Nature of death: Trauma
Activity type: Advance Hose Lines/Fire Attack (includes Wildland)
Emergency duty: Yes
Duty type: On-Scene Fire
Fixed property use: Store/Office
The number of on-duty deaths for 2022 currently is 53.
Go here to read the number of interior line of duty deaths for 2022.
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.”