Two sisters 'escape quarantine in Northern Territory'

Two sisters have escaped quarantine in the Northern Territory, with the stunt landing family and friends in mandatory isolation.

Confirming the breach today, police said the sisters, aged 19 and 22, allegedly escaped the Alice Springs facility by climbing over a fence and entering a waiting vehicle yesterday.

It is alleged the pair drove to their mother's house, who informed authorities of her daughters' escape, prompting their return to quarantine.

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Additionally, the women's mother and one of their boyfriends were directed to mandatory supervised quarantine by the state's Chief Health Officer Dr Hugh Heggie.

9News understands that the sisters did not travel to any other locations or encounter any other people.

The breach has stunned the state's police, with Commander Sachin Sharma shocked that "people are still not taking this pandemic seriously".

"The reason we have no community transmission in the Territory and that we are safe is because we have been diligent in ensuring anyone potentially at risk is quarantined," Commander Sharma said.

"Incidents like this place the wider NT community in danger and will not be tolerated."

Infringement notices for the breaches are expected to be issued, with a fine for an individual being up to $5056.