A medical helicopter has crashed in northern Kentucky, killing all three people on board and causing power outages in the surrounding area, local officials say. It was not immediately clear whether a patient was one of the victims. The incident happened at around 6 p.m. on Monday when the aircraft, a Bell 206 helicopter, went down near Owenton, a small city in Owen County, about 50 miles northeast of Louisville. Three people were on board the aircraft, according to a statement from the Federal Aviation Administration (FAA). The county coroner confirmed that multiple people were killed and ther…