Gizmodo | City Evacuated, State of Emergency Declared in Wisconsin County Following Oil Refinery Explosion Gizmodo An explosion at the Husky Energy oil refinery in Superior, Wisconsin Thursday injured at least 11 people and forced many of the city's residents to evacuate. Douglas County has declared a state of emergency following the incident. Fire officials said ... Wisconsin Oil Refinery Explosion Injures 20, Forces Evacuations Within 10 Miles Fire is out at Superior oil refinery: 7:20 pm update 20 injured in Wisconsin after an explosion at an oil refinery, officials say |