Melbourne is going back into strict lockdown tonight for six weeks as Covid-19 cases there surged to a new record.
Yesterday there were 191 new cases - Victoria's worst day since the pandemic began.
Victoria's premier Daniel Andrews says the state has to be realistic about the problem.
The city's 5 million residents cannot leave their homes for any reason other than work, food, exercise or medical care.
There will be a 'hard boundary' will be in place between Melbourne and the rest of Victoria.
Corin Dann spoke ABC reporter Casey Briggs and he explained why lockdown is the necessary next step.