The small communities of Nagambie and Avenel have been listed by VicEmergency as being within an area where people are asked to remain vigilant, since 9.34pm on Thursday, August 28.
Victoria Police advise that the search for alleged armed offender Desmond Freeman (also known as Desmond Filby) continues in the broader Porepunkah area.
It is recommended that people travelling to Bright, Falls Creek or Mount Hotham avoid travelling through Porepunkah and instead, travel via Running Creek and Mount Beauty.
Police advice is that if you see Mr Freeman, call 000 immediately and do not approach him.
On Thursday, Fugitive Squad detectives, along with Special Operations Group members, attended a Porepunkah address about 8.40pm.
A 42-year-old woman and 15-year-old boy were arrested at the address and taken into custody.
The Porepunkah pair were interviewed and released pending further inquiries.
The arrests form part of the ongoing investigation into the deaths of Detective Leading Senior Constable Neal Thompson and Senior Constable Vadim De Waart, who were killed in the line of duty.
A third officer, a 56-year-old male detective leading senior constable, remains in hospital after being shot in the lower body.
The officers were part of a group of 10 members who were attacked while executing a search warrant at a Rayner Track property shortly after 10.30am on Tuesday, August 26.
Extensive searches remain ongoing for Mr Freeman, whose location remains unknown.
We urge the public in and around the township of Porepunkah to remain vigilant and report any sightings or suspicious behaviour by calling 000.
Detectives from Crime Command, including the Homicide Squad and Fugitive Squad, are investigating the incident.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at crimestoppersvic.com.au
