"We are liaising closely with the [federal police] and the local authorities", the official added.
"All our staff are safe and accounted for".
Emergency services raced to a string of diplomatic facilities which had received packages containing suspected hazardous material, all within the space of a few hours.
Police cars and ambulances could be seen outside several diplomatic missions in Melbourne and the capital Canberra, including those of Germany, South Korea, Italy, India, and Spain.
Hazmat and fire crews are seen outside the Indian and French Consulates on St Kilda Road in Melbourne.
Images on social media reportedly showed emergency services in protective clothing entering various consulates in Melbourne.
It said the packages were sent to consulates in Melbourne and embassies in Canberra, but did not provide a total number of affected sites or identify any of them. "The circumstances are being investigated", the official statement reads.
Australian Federal Police are now examining the packages, which were delivered to consulates on St Kilda Rd and in the CBD.
Investigating officers at the U.S Consulate on St Kilda Road said the package had been found in the mail room.
More than a dozen hazardous material alerts have been issued on the VicEmergency website.
"It's believed to be non-hazardous, however, they're treating it as a hazardous", she said.
Victoria Police said at this time, they believe the matter is "targeted and not impacting the general community".
The powder, contained in clear plastic bags within an envelope, was subsequently deemed not unsafe.
There is also a warning listed in Ashwood, where the Swiss consulate is located.