The fire killed a teenage boy in a wheelchair and injured his sister and mom early Sunday morning on Detroit’s east side.
Detroit police also are refusing to release dash-cam footage.
Detroit police fatally shot a man after a car and foot chase on the city’s west side.
At least 32 people have died in Detroit fires this year.
Sgt. Vince Smith was found dead in his firehouse.
By the time firefighters arrived, flames were tearing through the windows of a second-floor bedroom on Detroit’s west side.
A Detroit fire truck also didn’t have a working aerial ladder to attempt a rescue.
At least one of the fires was suspicious.
The Michigan Court of Appeals on Wednesday dismissed the 41-year prison sentence of Mario Willis.
At least one person is dead in Detroit after a police chase ended with the runaway car twisted around a tree and the occupants, including a child, ejected Sunday evening.