Arrests of members of the far-right Golden Dawn party by Greek police are one of the most significant moments in the country's history.
Protests in the the Greek capitol turned violent after the fatal stabbing of anti-racism rapper Killah P.
Our Europe Editor James Mates comes face-to-face with Greece's Golden Dawn party who have just won 7% of the vote in the General Election.
Greek far-right group Golden Dawn has blamed the country's government after two of its members were shot dead, saying it had asked for police protection at its offices after receiving threats.
"(Prime Minister Antonis) Samaras's anti-Greek government is to blame for the crime, which allowed out-of-control terrorists to murder young kids in cold blood," the party said in a statement.
No one has claimed responsibility for the attack, although a police official told Reuters the force suspected unnamed anti-establishment groups.
Greek far-right group Golden Dawn said on its website that two of its members, aged 20 and 23 years old, were killed in today's shooting in Athens.
However, police have not yet verified the identities of the victims.
The Greek authorities said the gunmen who shot dead two members of the far-right Golden Dawn group today will be "dealt with unsparingly".
Government spokesman Simos Kedikoglou told reporters:
– Simos Kedikoglou
The murderers - whoever they are - will be dealt with unsparingly by our democracy. Let everyone know this.
Police sources have said at least two people were killed in a drive-by shooting outside the offices of Greece's far-right Golden Dawn party in Athens.
A member of the Greek far-right group Golden Dawn has been killed in a drive-by shooting, ITV News sources have said.
Two other Golden Dawn members were reportedly critically injured in the attack, which took place outside the organisation's offices in Heraklion, Athens.
The leader of Greece's far-right Golden Dawn party has been remanded in custody on charges of running a criminal group.
Nikolaos Mihaloliakos appeared before a magistrates court and a prosecutor to respond to charges of founding and participating in a criminal organisation.
The decision to jail the party chief will be a boost for Prime Minister Antonis Samaras' efforts to clamp down on Golden Dawn after an alleged party sympathiser fatally stabbed an anti-fascism rapper last month.
Mihaloliakos was arrested on Saturday alongside other party members.
Three senior members of Greece's far-right Golden Dawn party barged their way from court after being freed following charges of belonging to a criminal group.
The party's spokesman Ilias Kasidiaris was released on bail of 50,000 euros and has been prevented from leaving the country. Ilias Panagiotaros and Nikos Michos were released with travel restrictions while a fourth member, Yannis Lagos, was sent to jail pending trial.
All four denied charges against them in a plea session before an investigating magistrate that lasted more than 18 hours.
The four men were arrested on Saturday along with party leader Nikolaos Mihaloliakos and other party members.
Three senior politicians from Greece's far-right Golden Dawn party have been released pending their trial on charges of belonging to a criminal group.
Court officials told the Associated Press a fourth politician, Ioannis Lagos, was jailed ahead of the trial.
The Golden Dawn party members were arrested at the weekend following an investigation into the fatal stabbing of 34-year-old Greek hip-hop artist and anti-racism campaigner Pavlos Fyssas.
All four denied charges against them in a marathon plea session before an investigating magistrate that ended early this morning after more than 18 hours.
The leader of Greece's far-right Golden Dawn party will appear in court today where he is expected to respond to charges of organising a criminal group.
Nikolaos Mihaloliakos was one of six party members arrested over the weekend.
The arrests came amid public anger over the fatal stabbing of anti-fascist rapper Pavlos Fyssas.
The man arrested over the attack told police he was a supporter of the far-right party, though Golden Dawn deny any link.
Three Golden Dawn extremist right-wing party members have arrived at an Athens court for a preliminary hearing into charges of participating in a criminal organisation.
The Greek government says it will present a bill targeting racist hate speech, as part of a crackdown on the Golden Dawn party after the killing of an anti-fascist rapper last month.