Boston firefighters responded to the three-story Building F at Westinghouse Plaza, off Neponset Valley Parkway in Hyde Park shortly before 8 p.m. for what quickly became a second-alarm fire in a rear building at the complex.
One firefighter was transported by Boston EMS to a local hospital.
The bulk of the fire, which spread along the roofline of the building and also involved solar panels, was declared knocked down shortly after 8:35 p.m…