Kansas City/ Crime & Emergencies

Woman Dies, Man and Infant Burned in Fully Engulfed Fire Near Ottawa

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Published on September 12, 2026
Woman Dies, Man and Infant Burned in Fully Engulfed Fire Near Ottawa3722 Hwy. 59 — Ottawa Area Highway Scene
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A woman was found dead and a man and an infant were left with burns after a fire tore through a building nearly three miles north of Ottawa, Kansas, Thursday night. Emergency crews were called to the structure near Old U.S. 59 Highway and Sand Creek Road just after 7:15 p.m. Thursday and found it already fully engulfed in flames.

The blaze broke out at 3722 Old U.S. 59 Highway, roughly two miles north of Ottawa in rural Franklin County, according to the Lawrence Journal-World. The Homes.com page identifies the address. The Franklin County Sheriff's Office said in a Facebook post, as reported by FOX4KC, that arriving first responders found the building fully engulfed.

The woman was located dead inside the building, according to the sheriff's office's announcement. The man and infant suffered burns and were transported for treatment to the University of Kansas Health System in Kansas City, a facility equipped for specialized trauma and burn care, per the Journal-World's reporting. Names of the victims have not been released, and the cause and origin of the fire had not been announced as of the latest updates.

Fire Marshal Witnessed Thick Black Smoke Firsthand

Kansas State Fire Marshal Mark Engholm happened to be driving past the scene as the fire raged and posted a photo to Facebook showing dense black smoke pouring from every window of the building, the Journal-World reported. A neighboring business owner who saw the fire start described it as “huge,” telling the paper that first responders arrived to find the structure already fully engulfed.

The investigation now involves multiple agencies. The Franklin County Sheriff's Office, the Kansas State Fire Marshal's Office, and the federal Bureau of Alcohol, Tobacco, Firearms and Explosives are all investigating the fire, according to FOX4KC's reporting. Under Kansas statute K.S.A. 31-133 et seq., certified investigators from the Kansas State Fire Marshal's Office Investigation Division are tasked with determining fire origin and cause, and they partner with federal ATF agents on fatal or large-scale commercial incidents, according to the Kansas State Fire Marshal's Office.

A Corridor With a History of Commercial Fires

A historical record from the Old Depot Museum mentions a 1966 service-station explosion. Ottawa, the seat and largest municipality of Franklin County, had a 2020 Census population of 12,625 residents along the Marais des Cygnes River, according to the U.S. Census Bureau.

This fatal fire also comes amid statewide fire-fatality reporting. The Kansas State Fire Marshal's Office's available reporting does not establish a 2026 total or indicate whether Kansas will surpass its 2025 fire-death total. The office's investigators maintain an average annual arson conviction rate between 10% and 14%, well above the roughly 3% national average for arson investigations, according to the same state agency's data.

No further details on the victims' identities or the fire's cause had been released as investigators continued their work at the scene. Anyone with information is expected to be directed to updates from the Franklin County Sheriff's Office and the Kansas State Fire Marshal's Office in the coming days.