A fire at a two-family home in Perth Amboy displaced six people on Saturday afternoon, and two firefighters suffered non-life threatening while battling the blaze, officials said. The township’s fire department was dispatched around 12:55 p.m. to 189 William St. where heavy smoke was coming from all floors of the two-and-a-half story home, according to the township’s Facebook post. They found heavy fire in the basement, along with fire extending to the attic through the balloon frame bays. Multiple hose lines were stretched to attack the fire, the post said, while the home’s occupants were saf…