A man suspected of involvement in last year's Madrid train bombings has been detained in Spain after being extradited from Serbia.
Abdelmajid Bouchar faces trial for the murder of 191 people
Moroccan Abdelmajid Bouchar, 22, faces trial for the bomb attacks which killed 191 people on 11 March 2004.
He was arrested at the main railway station in Belgrade in June. He had no documentation and said he was an Iraqi immigrant worker.
He had been on the run and was the subject of an arrest warrant.
Judge Juan del Olmo Juan del Olmo ordered Mr Bouchar to be jailed after a brief hearing and he was taken to a Madrid prison, according to Spanish media reports
Mr Bouchar is alleged to have fled an apartment in Leganes, near Madrid, where the suspected train bombers hid after the attacks in March 2004.
Serbian police grew suspicious when the suspect refused to co-operate with their inquires and he was identified through Interpol.
Seven suspects in the Leganes apartment blew themselves up when police surrounded the building. A police officer also died.
The train attacks killed 191 rush-hour commuters and injured nearly 2,000 more.