MERCER, WI -- An investigation is ongoing into the death of a 3-year-old in Mercer, Wisconsin.
The Iron County Sheriff's Office says authorities were called to a home on Wednesday shortly before 9 p.m.
The 911 caller reported an unresponsive toddler found in a bathtub.
Upon arrival, EMTs were called to the scene. According to the Iron County Sheriff's Office, they arrived within five minutes and attempted life-saving measures.
The toddler was taken to Ascension Howard Young Hospital and was pronounced dead at 10:04 p.m.
A forensic autopsy is scheduled to determine the cause of death.
The Iron County Sheriff's Office and the Iron County Coroner's Office is investigating.