Photo by BFD.

The Boston Fire Department reports firefighters responded to 378 Centre St. in Dorchester for what turned into a three-alarm fire that damaged two double three-deckers around 4:45 a.m.

The fire completely destroyed the rear porches at 378 Centre.

The department reports one resident and one firefighter were transported to the hospital.

A total of 30 residents and multiple cats were displaced, the department reports, adding damage was estimated at $600,000.

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