A Minnesota man is charged with shutting off oxygen to a Minneapolis area hospital in December. Thirty-nine-year-old Larry Raduenz Jr. of Robbinsdale was charged Wednesday with first-degree damage to property, a felony. Raduenz is accused of shutting off oxygen to North Memorial Hospital in Robbinsdale on Dec. 27. According to the complaint, Raduenz climbed a fence near the oxygen tanks, broke cable ties and metal clasps and shut off the oxygen. Engineers detected the pressure drop and discovered the vandalism. A hospital spokeswoman has said no patients were harmed.