Authorities say a 7-year-old girl has died from injuries she received in a go-cart crash in northern Iowa. The Mason City Globe Gazette reports that the crash happened Sunday night near Rockwell. The Cerro Gordo County Sheriff's Office says deputies were called around 8:30 p.m. to a home after 7-year-old Bryclynn Blue Blackdeer was injured. Investigators say Bryclynn was driving a homemade go-cart when it collided with a boat trailer. The girl died from her injuries.