Al-Quds Al-Arabi
This attack occurred 911 days after the September 11 attacks. On March 11, the newspaper "Al-Quds Al-Arabi" received a statement which claimed that an al-Qaeda affiliated group, Jund al-Quds, ('Soldiers of Jerusalem'), had carried out the attack. The statement's primary purpose was to claim responsibility for the March 11, 2004 Madrid attacks.