4 males have been injured, two critically, in a taking pictures outdoors a nightclub within the Australian metropolis of Melbourne.
The incident on the Love Machine venue will not be considered terror associated.
Australian newspaper The Age stated investigators are prone to study hyperlinks to a bike gang.
Mass shootings in Australia are uncommon. The nation overhauled its gun legal guidelines after 35 folks have been shot useless in Port Arthur, Tasmania in 1996.
The nation noticed its worst incident since then final yr after seven members of the identical household died in a murder-suicide.
Police say two males, aged 29 and 50, have been hospitalised with non-life threatening accidents within the taking pictures at Love Machine.
A kind of in a severe situation is aged 28, however no particulars in regards to the fourth sufferer has been launched.
Is gun possession growing in Australia?