"We do not think that would be right or fair for the Victorian community.
"We do not have the capacity to put hundreds of people into hotel quarantine because they elected to come home late.
"If there are people who've gone to NSW, we did not design and set up a hotel quarantine system to enable people who've gone on holidays in NSW to come back a bit later."
However, some people rushing to the border last night had travelled from as far away as Queensland.
Images posted on social media showed massive queues hours before the border closed.
Photographer Simon Dallinger was at the Hume Freeway checkpoint. He reported that the last people allowed through, seconds before midnight, were Kelli Rippon and Rachel Bartlett. The pair had travelled from Brisbane to Dubbo, and then to Victoria.
They made it just in time. Others were not so lucky.
A border check on the Victorian side of the Hume Highway on December 29, 2020 in Albury, Australia. Photo / Getty Images
Health authorities in Victoria believe the virus has been spreading there for almost two weeks.
All 10 cases reported since Wednesday either dined at the Smile Buffalo Thai restaurant in Black Rock on December 21, or are close contacts of others who did.
"If we get to a stage, or if we feel that there's too many cases that are completely unlinked or unrelated, or something pops out unexpectedly that does cause concern, then of course we'll adjust our settings if that's the case," Berejiklian said yesterday.
Today residents on the northern beaches will learn whether their localised restrictions will be loosened. The lower northern beaches, in particular, may be brought under the same rules as the rest of Sydney.