BOISE, Idaho (KBOI) -- A child in a vehicle that plunged into Arrowrock Reservoir late Friday has died, the Ada County Coroner's Office says.
The coroner says 2-year-old Riley Lutton died on Monday at St. Luke's Hospital.
Idaho State Police said over the weekend that Lawrence Lutton, 31, of Lowden, Wash., was driving on Arrowrock Road about eight miles east of Highway 21 when his vehicle left the road and went into the reservoir.
The coroner did not list a cause of death.
The crash is being investigated by Idaho State Police.