UPDATE: State Fire Marshall To Investigate Frederic Home Explosion
And in Wisconsin, Investigators are looking to the State Fire Marshall to help determine what caused the explosion that destroyed a house near Frederic on Friday.
Rescue crews got to the scene, and heard from neighbors that Roger Wolfgram, a 71 year-old man from Coon Rapids, MN was in the rubble. His vehicle had been in the driveway.
Crews heard a voice from the remains of the house. They were able to rescue Wolfgram from the basement area after searching for a half-hour. He was the only person in the house at the time, and had been in the basement turning on the heater. WEAU reports investigators say the blast happened when he flipped the power switch.
Wolfgram was injured and taken to the hospital.