Greek Prime Minister Antonis Samaras has said he will not let neo-Nazi party Golden Dawn "undermine" democracy. His remarks came after a Golden Dawn supporter allegedly admitted killing an anti-fascist activist. Mr Samaras said in a national TV address that, "This government is determined not to let the descendants of the Nazis poison our social life or commit crimes". According to reports, hundreds of mourners attended the funeral of Pavlos Fyssas, 34 – who was stabbed to death on Wednesday near Athens. There is profound anger in Greece over the events, according to reports in Athens. The far-right party, Golden Dawn has been blamed for a tide of attacks on immigrants. Greece's deputy PM said it must now be treated as a "criminal organization".