Man, 2 Children Found Dead in Indiana Home With High Carbon Monoxide Levels

A home on Ash Avenue where police found at least two bodies buried in the basement in Hammond, Ind., on Dec. 10, 2003. Tasos Katopodis/Getty Images

MUNCIE, Ind.—Authorities investigating the deaths of a man and two children whose bodies were found in an Indiana home said firefighters detected high carbon monoxide levels inside the residence.

The bodies of the 24-year-old man, a 3-year-old boy, and a 21-month-old girl were found Sunday afternoon in the home in the city of Muncie.