Four-alarm fire tears through Dorchester two-family house

A short circuit in a power strip sparked a four-alarm fire at 31 Harlem St. that sent one firefighter to the hospital, the Boston Fire Department reports.

Firefighters responded at 12:40 p.m. to the fire, which investigators said started in the rear of the first floor.

The department reports five people were displaced and that the fier did an estimated $350,000 in damage.