Salah El Karib, 34, one of four arrested in relation to the terrorist attacks in Catalonia, is taken to the Audiencia Nacional court in Madrid, Spain on August 22, 2017. JJ Guillen / EPA
Salah El Karib, 34, one of four arrested in relation to the terrorist attacks in Catalonia, is taken to the Audiencia Nacional court in Madrid, Spain on August 22, 2017. JJ Guillen / EPA

Four Spain attacks suspects to go before judge, eight others killed