Hundreds gathered on parliament's lawn draped in the flag with One Nation leader Pauline Hanson leading the rally.
A protest in Canberra has called for an end of mass immigration to Australia.
Hundreds gathered on parliament's lawn today draped in the Australian flag with One Nation leader Pauline Hanson getting a rockstar welcome.
"Politicians, you might get a few of us down here, but then again, where are the rest of the bastards, why aren't they here?" she said.
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Nearby, Opposition Leader Angus Taylor was telling the ABC's Insiders: "Migration numbers have been too high. They've been higher than Labor's own targets."
Taylor said the Coalition would preference migrants from liberal democracies but would not exclude others
"Many good people come from bad countries, but there is a higher risk that some bad people will come from those bad countries," he said.
Nationals leader Matt Canavan also addressed the protest on the lawn of parliament, saying: "You don't share our values? You're getting deported. You're going back overseas."
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Organisers say there will be more of these rallies across the country in the coming months.
In the meantime, it is a smaller group of Australian citizens causing headaches for the government.
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Minister Chris Bowen said the government was providing "absolutely zero assistance to them".
"That is not something this government will be doing," he said.
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The group, made up of women and children, are Australian citizens and will likely face domestic charges upon arrival back home.
Health Minister Mark Butler told Sky News: "If they manage to get to Australian borders and have committed any sort of crime, they'll be met with the full force of the law at those borders."
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