Victoria is closing its borders to NSW and the ACT from 11.59pm tonight, with the entire region becoming a "red zone".
Health authorities made the decision after NSW recorded 77 new COVID-19 cases today.
Essentially, from midnight, travellers from NSW and the ACT will not be permitted to travel to Victoria, with some exceptions.
READ MORE: 'Much worse' to come as NSW records 77 new infections
Victorian residents can obtain a red zone permit and return home, but they will be required to immediately isolate, get tested, and quarantine for 14 days.
Exemptions are also available for essential workers, while border community residents can cross over in a limited capacity, but must carry proof of address.
Anybody attempting to enter Victoria illegitimately will be fined up to $4957.
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Travellers from existing orange zones in NSW and the ACT can enter Victoria before 11.59pm tonight if they are eligible, including on flights.
But they must isolate on arrival, get tested within 72 hours, and stay isolated until they return a negative result.
Visit the Vic Health website for more information on the state's travel permit system.
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