No one was in the storage building at Braen Stone Industries, when the fire started around 9:45 p.m. on Tuesday.
The trio, members of the Hempfield Fire Department, helped extinguish the fires, including one at an old rail station.
With this week's frigid temperatures, the Detroit Fire Department is urging residents to use caution when heating their homes.
From rooms full of fresh flowers to a private suite, these hotels offer a slice of luxury despite dreary weather.
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