A firefighter was injured during a house fire and explosion Monday morning. The fire was reported at around 3 o’clock Monday morning in the 1400 block of Preble County Butler Township Road. That’s about halfway between New Madison and Castine. Crews reported there was an explosion and a firefighter was down. The firefighter’s injuries were non-life-threatening. The fire reportedly started in an attached garage before spreading to the home. A family was home at the time and was able to make it out without injury.