Police are investigating the discovery of skeletal remains in the Grafton CBD at about midday on Tuesday (February 6).
Officers were called to a construction site on Pound Street, Grafton after workers on the site discovered the bones.
A crime scene was established and inquiries have commenced.
The bones will undergo examination by a forensic specialist to assist in determining whether or not the remains are human.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au/