Boston firefighters responded at 4 a.m. to a vacant three decker at 8 Marie St., near Ronan Park, for what turned into a six-alarm fire that damaged four three-deckers on Marie and Fox streets and caused an estimated $2.5 million in damage.
No residents were hurt; one firefighter suffered an ankle injury, the Boston Fire Department reports.
Some 17 people were displaced by the fire, which started in 8 Marie St. and spread to 6 and 10 Marie. A three decker on Fox Street, some 70 feet away, also suffered damage.
The fire flared up again around 8:40 a.m. at 6 and 10 Marie, bringing a two-alarm response.
The cause and origin of the fire are under investigation.