Vision posted on social media overnight showed that the "issues-motivated" protesters, colloquially known in Canberra as "cookers", had again used industrial plastic wrap to set up barriers within various thickets on nationally-administered land near Old Parliament House.

The protesters had even set up a charcoal barbecue within the enclosure with what appeared to be a pork roast turning on a rotisserie.

Such enclosures, including fires, are forbidden without the express permission of the National Capital Authority.

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Police confirmed in a statement on Monday that they were "aware of an ongoing issue with makeshift accommodation in Parliamentary Triangle".

"The enclosures are being deemed as a structures and therefore not permitted on NCA controlled land," they said.

"Police officers have removed a number of plastic enclosures and will continue to monitor and respond accordingly."

The latest encampment, dubbed Version 4.0, had a central post and plastic wrap tied off between numerous trees but was removed by police to what a commentator described as "extremely vulgar shouting from a small group of abusive cookers".

Small groups of protesters, whose motives appear disjointed and unclear, have been camped in various locations around the territory since December last year. A number have faced the court on trespass charges.

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