Authorities have not yet released the details of a serious accident that occurred earlier today (Tuesday) in northwestern Audubon County. Initial reports indicate the crash occurred around 12 p.m. near the intersection of Bluebird Avenue and County Road F24, also known as 150th Street. The Iowa State Patrol was one of multiple agencies that responded to the call, and troopers were on scene for several hours after the collision. Carroll Broadcasting will bring you more information as official reports are released.