Madison County authorities are searching for an autistic teenager in the Cottage Hills area.
The 17-year-old girl is a resident of the unincorporated neighborhood and has been missing since 4:30 p.m. this afternoon, according to Madison County authorities. Emergency crews are canvassing the area with a helicopter, K9 units and on foot.
The missing teen is described as looking like a 10-year-old. Cottage Hills is just west of Bethalto.