CHICAGO (WLS) -- Investigators now say a battery may be to blame for a deadly fire earlier this week in Chicago's Southwest Side.
Walter Haton, 93, died in the fire Tuesday afternoon. Investigators now believe the fire started with the charging of a lithium battery used to power an electric wheelchair.
Chicago fire is now working with engineers for the insurance company.
Wheelchair battery may have caused fatal Ashburn house fire, officials say
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