Skull among bones found on Pioneer River bank
UPDATE, 1.30PM: A skull was found among other skeletal remains partially buried on the banks of the Pioneer River, suggesting to police they could be human.
The bones appeared to be brittle with police now investigating the origins of the remains as forensic examinations continued.
Mackay police District Duty Officer Mark Sweetnam said a Mackay resident walking along the bank of the Pioneer River came across what they believed to be human remains about 2.30pm Friday.
"We've had crews attend and we believe also they are human bones found in the sandy beach beside the river," Senior Sergeant Sweetnam said.
"Police have begun investigating to try and determine firstly are they human remains, and also the origin of those remains.
"It's only bones that have been located, nothing more than that.
"We've started scientific processes to determine that."
SATURDAY 10AM: PARTIALLY submerged bones were found on the the banks of the Pioneer River by a passer-by yesterday.
Officers remain at the scene, near Barnes Creek Road Park, where investigations resumed at first light today.
A Queensland Police spokeswoman said a member of the public attended Mackay Police station about 2.30pm yesterday and reported the location of the skeletal remains.
She said the person reported the bones were partially buried.
The skeletal remains were found by police in an isolated area surrounded by thick mangroves yesterday.
The QPS spokeswoman said police remained at the scene overnight after "failing light" and a "lack of suitable equipment" stopped officers the remains without damaging them.
It is understood forensic experts will be tasked to assist and determine of if the skeletal remains are human.
Police officers remain in the area which was declared a crime scene.
UPDATE, 11.30PM: POLICE remain at the scene where skeletal remains were found on the banks of the Pioneer River.
A crime scene has been established with police guarding the area overnight before investigations at the location resume on Saturday.
Officers were seen walking through thick mangroves to an isolated area.
The skeletal remains - the origin of which were not immediately known - were found about 3pm Friday.
Investigations are ongoing.
EARLIER, 9.10PM: POLICE are investigating the discovery of bones on the banks of a Mackay river this afternoon.
An area on the banks of the Pioneer River has been declared a crime scene after "skeletal remains" were found washed ashore.
The discovery was reported to police about 3pm.
It is understood the bones were first discovered in the water. An undertaker was called to the scene earlier this evening.
A police spokesman said the area would be guarded overnight.
He could not comment on the condition of the remains.
"Further investigations will be conducted," he said.