A man's body has been found inside a vacant home that was on fire Thursday morning in southwest Detroit. According to the Detroit Police Department, firefighters extinguished the flames and discovered the body sometime after 4 a.m. in the 1100 block of South Liebold Street. The identity of the victim is currently unknown and is considered a John Doe. The cause of the fire is unknown. At least two other fires were reported in and around Detroit this week. A small fire on the SS Ste. Claire, an iconic piece of Detroit history, was reported Wednesday. The steamer suffered a devastating fire last summer.