Cities risk being flung into chaos as rival groups plan to shut down streets in counter-protests, with police anticipating clashes between troublemakers.

National rallies will be staged under the Australia Unites banner, made up of several splinter groups, on Saturday.

Organisers say the turnout will highlight Australians' displeasure over worsening cost-of-living pressures, declining health outcomes, rising violence, financial strain and environmental policies that serve corporations.

Opposing groups led by Indigenous and Palestinian activist groups have planned a National Day of Action against racism and fascism in the same cities in response to neo-Nazis allegedly raiding an Indigenous camp in Melbourne on August 31.

Police in Victoria anticipate troublemakers among far-left and far

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