backlow was responding to a water main break when it fell in a sink hole. traffic is being diverted. a pedestrian is being treated for serious injuries after being hit by a car in brighton. the accident happened last night. offices say this was not a hit-and-run and that the driver was also taken to hospital for minor injuries. the wind shield of the cash is smashed from the impact. >> ryan: we are learning more about the rescue of three firefighters who got trapped in a burning saugus home. they had to be pulled from the fire as the house went up in flames. terrifying call for help. >> reporter: an urgent call for help from three saugus firefighters who were trapped inside this burning home. the fire spread quickly the firefighters found themselves surrounded by flames and thick smoke. one firefighter tripped, lost his helmet and was out of glare they blew air horns which means everybody out of the building. >> reporter: a malden firefighter saw a hand reach out for help. >> he broke the window, i seen his hand. i reached in and i said give me your hand, b