Al Qaeda was planning to take responsibility for the first attack in Barcelona through Baitullah Mehsud , a Taliban commander whom the Pakistani government blames for last month 's assassination of opposition leader Benazir Bhutto , El Pais reported . Informant : Terrorists planned to attack public transport systems in Europe . El Pais said it had access to informant 's testimony to Spanish officials . 10 suspects were arrested for allegedly plotting attacks . Comment: : Cell consisted of six suicide bombers .
Informant : Terrorists planned to attack public transport systems in Europe . El Pais said it had access to informant 's testimony to Spanish officials . 10 suspects were arrested for allegedly plotting attacks . Comment: : Cell consisted of six suicide bombers .