A person and a small dog were seen walking by Whittakers Road in Traralgon about 5.30am, before the person appeared to stop to roll up their trousers near the banks of the swollen Traralgon Creek, according to the police.
A witness has told police they believe the pair were then swept away in the creek.
The creek is at ‘minor flood levels’ after heavy rainfall in Gippsland.
Acting Inspector Rod Findlay said police have spent the day searching the area but said they have been unable to confirm whether the pair was swept away.
“We are unable to get right that someone has gone into the flood water, however we certainly believe that it is the case,” he said.
Findlay said police have not received any reports of people missing in the area, but are concerned about what may have happened to the person and the dog.
Officers have released CCTV and images of the pair in the hope someone will come forward and help confirm their identity.
Police are also calling for the person themselves to contact police to let officers know they are okay.
It is believed the person may be wearing slippers and may have a slight limp.
“The flood water has been a challenge with the weather patterns we had overnight,” Findlay said.
“We have had the police air wing today and we have had our drones out near the water but we have not had any luck in finding the person.
“Please if you recognize the person in the CCTV, please ring crime stoppers,” Findlay said.