Two police officers have been killed, and a gunman remains at large after what is being described as an "ambush" in a rural town.
A primary school is in lockdown after the incident unfolded in Porepunkah, about 300km north-east of Melbourne.
Two officers were killed at a rural property on Tuesday in an ambush attack involving a perpetrator believed to be a 'sovereign citizen', police sources not authorised to comment on the situation told the Australian Associated Press.
Multiple other outlets, including the ABC and the Guardian, have also reported two officers were killed.
Victoria Police are yet to confirm any details but have said: "This is still an active incident and we will provide more information when it's operationally safe to do so."