Pennsylvania State Police say a woman died following a three-vehicle crash in Mifflin County on Tuesday. State Police in Lewistown say the crash happened on U.S. 522 South near Twin Hollow Road in Oliver Township, Mifflin County, around 4:30 Tuesday afternoon, and a 49 year old woman was pronounced dead from injuries in that crash shortly afterward, at an area hospital. No other details have yet been officially released, as the whole thing remains under investigation.