A bus driver in Massachusetts is being hailed as a hero after she jumped into action to help save people in a burning home.Christina Gradozzi, 27, was driving her bus back to a Massachusetts Bay Transportation Authority’s garage on Wednesday night when she came upon the fire burning in a triple-decker on Moulton Street.Images shared by the MBTA show she stopped the bus, grabbed the vehicle’s fire extinguisher and ran to the building. She emptied the extinguisher onto the flames, then knocked on an adjoining door to alert people inside.”Gradozzi, who has been with the T for about 18 months, reported she was assisted by an unknown male party with trying to help notify residents in the building and with extinguishing the fire,” MBTA officials said. “Christina Gradozzi, at great personal risk, ran into a burning building to save lives,” said MBTA General Manager Steve Poftak. “We appreciate the hard