NIOSH Releases Investigation Report on Floor Collapse in Abandoned Residential Structure Fire

April 21, 2026

The NIOSH Fire Fighter Fatality Investigation and Prevention Program (FFFIPP) has released a report on the injury of four career firefighters from a floor collapse in an abandoned residential structure fire in Kansas. View report and corresponding slides. FFFIPP accept requests for serious injury and line-of-duty death investigations through the NIOSH website. View the investigations that FFFIPP is currently working on by visiting the ongoing reports webpage.

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