All non-essential activity including schools and business across Victoria will be shut down by Tuesday to combat the spread of coronavirus.
"This is not something that we do lightly, but it's clear that if we don't take this step, more Victorians will contract coronavirus, our hospitals will be overwhelmed and more Victorians will die," Premier Daniel Andrews said in a statement on Sunday afternoon.
Victorians will still be able to go to the supermarket, the bank, the pharmacy and other essential stores, like petrol stations and convenience stores.
Freight, logisitics and home delivery are also considered essential and will remain open.
School holidays will be brought forward to start on Tuesday and a decision on whether to re-open schools after the term one holidays will be determined following advice from the chief health officer.
"All measures to be implemented by Victoria are consistent with the health advice provided by the Victorian Chief Health Officer," the statement said.
More details will be released on Monday.
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