The suspect denied all knowledge of the explosive substances in court, according to Spanish media reports.

BBC: One of 'al-Qaeda' trio held in Spain jailed

Kris Keith Black, 23, of Woodchurch Road, Birkenhead, has also been charged with handling stolen goods and possession of explosive substances.

BBC: Two more charged over munitions theft in Warrington

Leonard Ash, 50, of Beckwith Street, Birkenhead, has already been charged with handling stolen goods, possession of explosive substances and possession of an air pistol.

BBC: Two more charged over munitions theft in Warrington

Yalcin said Friday that he had no knowledge of explosive substances found during a search of his home, according to source briefed on the court proceedings.

CNN: Judge in Spain takes statements from terror suspects