Strict restrictions which will hit Christmas plans across Sydney are in force - here's what you need to know about the new rules
New South Wales recorded 30 new cases of coronavirus but not a single one outside the Northern Beaches
New restrictions have been imposed for Greater Sydney with maximum of 10 people allowed in homes
Victoria, Queensland are shutting their bodies to anyone from Greater Sydney with locals urged to go home
There are now 68 cases as part of the Northern Beaches cluster, plunging 270,000 people into lockdown
The strain of the virus is believed to be from US but disease detectives have not worked out how it escaped