The incident occurred in an industrial complex in south-west Sydney.
It is believed that at least two people - one believed to be the gunman who took his own life - and another have been killed and two others taken to hospital after a shooting in Sydney.
The incident occurred in a factory in Ingleburn and, according to
Sky News, the tragedy was due to a business dispute.
https://twitter.com/mpoppel/status/706684433462648833
There was heavy police presence in what turned out to be a six-hour siege.
https://twitter.com/7NewsMelbourne/status/706676519762948097
Cover image via 7 News Melbourne.
