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.
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."