In western Iowa, firefighters are investigating a blaze that killed an infant girl. KETV reports 6-month-old Mayci Colburn-Lerette was killed in the fire in Council Bluffs around 8 p.m. Saturday. Three other family members were critically injured by smoke inhalation and taken to Creighton University Medical Center in Omaha. Council Bluffs Assistant Fire Chief Justin James says the fire started on the first floor of the home. Authorities will investigate the fire to determine what may have caused it.