Human remains have been found in the Murrumbidgee River by a member of the public.
The discovery was made on Sunday afternoon in an area of the river south of Kambah Pool.
Police were called to the scene following the discovery of the remains and are looking into the circumstances of the incident.
The identity of the remains is yet to be confirmed.
ACT police have urged for anyone with information to come forward and contact Crime Stoppers on 1800 333 000