SHELBY COUNTY, Ind. -- Troopers with the Indiana State Police are on the scene of a fatal crash in Shelby County. On Thursday morning, officials with the Indiana State Police reported that a single vehicle was involved in a fatal crash on I-74 westbound. The crash occurred near the 121-mile marker in Shelby County. ISP did not provide any more details surrounding the crash. Delphi murders: Phone pings cast doubt on defense’s alternate site killing theory "Expect delays in the area for the next 2-3 hours," a social media post from Sgt. John Perrine, ISP public information officer, read. "Please seek alternate routes." This story will be updated as more information becomes available.