CHATHAM, Ill. (WAND) - A man was killed in a Chatham house fire early this morning.

Chatham firefighters responded to a home in the 3800 block of Mansion Rd. around 1:20 a.m. 

The house was fully engulfed when crews arrived. 

The coroner reports a 76-year-old man was found dead at the scene by the fire department.

The Sangamon County Coroner identified the man as Lennis Knight, 76 of Chatham. According to the coroner he died from carbon monoxide poisoning from smoke inhalation.

The fire department said they became aware the man was trapped inside, but the fire was too extreme for them to reach him. He was later found dead inside. 

Mutual aid was provided by fire departments from Springfield, New Berlin, Loami, and Divernon. 

The fire was under control at 4 a.m. 

Chatham Fire Chief Gary Self told WAND no firefighters were injured. 

The cause of the fire is under investigation. 

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