Nikos Dendias, public order minister, said emergency legislation would be tabled that would seek to outlaw the group, adding that the attack showed "in the clearest way (the party's) intentions."
Prominent ant-fascist Pavlos Fyssas, 34, died after around 30 Golden Dawn supporters attacked him and seven of his friends.
A 45-year-old man has allegedly confessed to the stabbing of Fyssas' - also known as Killah P - and was pictured today being escorted by a policeman as they left the prosecutor's office in Piraeus, near Athens.
Protests and violence erupted after the death of the anti-fascist campaigner with Greece's deputy Prime Minister Evangelos Venizelos saying the group must be treated as a "criminal organisation".
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Sir Gerald Kaufman Labour MP for Manchester Gorton and Father of The House of Commons has died aged 86, a family spokesman said.
A very unsettled start to the new week with heavy, thundery, occasionally wintry showers spreading in from the west throughout the day.
It had been reported that four domain names which appeared to support Clive Lewis for Labour leader were registered in June last year.