FREE now and never miss the top politics stories again. SUBSCRIBE Invalid email Sign up fornow and never miss the top politics stories again. We will use your email address only for sending you newsletters. Please see our Privacy Notice for details of your data protection rights.

A total of four suspects appeared in front of a closed hearing at Spain's High Court in Madrid yesterday, to testify about the alleged ISIS plot. Mohamed Houli Chemlal and Driss Oukabir were charged with charged with membership of a terrorist organisation, murder and possession of explosives. A third suspect, Salh El Karib, who allegedly ran an internet cafe in the Catalonian town of Ripoll, will remain in custody pending further investigation.

The fourth suspect, 27-year-old Mohamed Aalla, will be released on certain conditions. Chemlal was the only suspect who confessed to his participation in the Islamist cell behind the attack. The 21-year-old told the investigating judge, Fernando Andreu that the group had been planning a much bigger strike using explosives.

EPA Mohamed Houli Chemlal (left) and Driss Oukabir (right) were both charged

Barcelona: The tragic victims of the Ramblas terror attack Sun, August 20, 2017 The cowardly terror attack in the Catalonian city of Barcelona has left 13 dead and 100 injured. These are the victims named so far Play slideshow PA 1 of 8 Julian Alessandro Cadman

Chemlal was arrested after being hurt in a blast at a house in Alcanar, a day before Thursday's van attack on Las Ramblas boulevard in Barcelona. He arrived at court wearing hospital-issue pyjamas, with a bandaged hand and cuts to his face and bare ankles. According to reports, he said the group planned to attack Barcelona monuments including Antoni Gaudi's landmark Sagrada Familia church.

EPA Suspect Salh El Karib (pictured) will remain in custody for 72 hours

However, Mohammed Aalla, Driss Oukabir, 28, and Salah el Karib, 34, all maintained their innocence during the hearing. Oukabir testified that he had rented the vans used in last week's attacks, but said he thought they were going to be used for a house move. El Karib said he was only trying to make a profit by buying plane tickets for two alleged members of the terror cell. And Aalla told the judge an Audi A3 used in the Cambrils attack was registered under his name, but said it was used by his brother Youssef.

EPA The suspects arrive at the Audiencia Nacional court in Madrid, Spain