Cass County, Mich. Crews responded to a fire in Cass County in the 17000-block of Chain Lake St., in Calvin Township, just after 4 a.m. Thursday.
Authorities at the scene say it took hours to put out the flames and firefighters had a tough time due to narrow, muddy paths around the mobile home.
The body of a person was found inside after the fire was put out. The person's identity has not yet been released. No one else was at the home at the time, according to the Cass County Sheriff's Office.
The Cass County Sheriff's Office and Michigan State Police Fire Marshal division are investigating; both Central Cass Fire and Penn Township fire departments responded.