Authorities in Lehigh and Northampton counties are investigating the death of a 3-month-old girl.

According to a release from the Lehigh County Coroner's Office, the infant, of Banyan Drive in Lehigh Township, Northampton County, was pronounced dead Friday night at Lehigh Valley Hospital - Muhlenberg.

The death is being investigated by the Lehigh Township Police Department and coroner, according to the release from the coroner's office.

An autopsy is scheduled for Monday morning.