As more than 10,000 protesters gathered outside the State Library on Sunday afternoon to march against last week's federal budget - which promises to cut $80 billion from health and education spending over the next four years - the Greens federal member for Melbourne, Adam Bandt, called for all parties to unite against the Coalition's ''savage'' cuts, threatening to tip a deeply unpopular Prime Minister from office.
''The Greens will block this budget … [and] if Labor and the Palmer Party join with us in an alliance for a new election, we can have Tony Abbott out of office by Christmas,'' Mr Bandt shouted. The response was near deafening.
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''If you want to know where the burden of this brutal budget from Tony Abbott is going to fall, it will be on the young, the sick, the poor and on Australia's first people.''
Across Australia, protesters gathered in capital cities. The protesters also rallied against Tony Abbott's stance on human rights, refugees, industrial relations and the environment.
Protest signs were a mix of the funny, artistic, poetic and even vulgar. A pensioner carried a big, white sign saying: ''Mr Abbott, as a senior citizen, I demand your return of a self-awarded bonus of $2.6 billion.''
Others called for ''health, pensions and education, not jets and BMWs'', or denounced a ''budget by the fat cats, for the fat cats''.