The Spanish investigators discovered on Friday the «biological remains» of three individuals in the rubble that could belong to a second corpse in the house located in Alcanar (province of Tarragona), reports El Pais on Sunday. The latter alleges that the terrorists allegedly attempted to «make explosives with bottles of butane gas and propane», and cited sources of the fight against terrorism. «This means that at the time of the explosion, at least five people were present in the house» located in south Barcelona, continues the media. According to El Pais, the Spanish police is looking for three people : Younes Abouyaqoub, the suspect who would have driven the van, Abdelbaki Es Satty, Ripoll's Imam and Youssef Aalla, brother of one of the terrorists killed in Cambrils. «The presence of biological remains opens the possibility, however, that the three escapees may have died in the Alcanar house, where more than a hundred bottles intended for the manufacture of explosives have been found,» says the media. The explosion of Wednesday in the house located in the municipality of Tarragona resulted in the death of one of the alleged terrorists. Another, Mohamed Chemlal Houli, was allegedly wounded and is currently detained. El Pais also published the names of 12 people, members of the jihadist cell responsible for the attacks in Barcelona and Cambrils. They are : Moussa Oukabir, Mohamed Hichamy, Omar Hichamy, Said Aalla and Houssaine Abouyaaqoub, all killed in Cambrils. Youssef Aalla, Abdelbaki Es Satty, Younes Abouyaaqoub would be sought, although the sources of El Pais does not exclude the possibility that they died in the explosion of Wednesday. Driss Oukabir, Mohamed Houli Chemlal, Salh El Karib and Mohammed Aalla, brother of Saïd and Youssef, who are reportedly detained.